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Here you are :

2X2-3x+5=0
=> 4-3x+5=0; (2X2=4)
=> -3x+9=0; (4+5=9)
=> 9 = 3x; (-3x moved to the right-hand side and it became 3x)
=> 9/3=x; (3 moved to the right hand side, so it becomes 1/3, i.e 1/3X9= 9/3)
i.e. x=9/3
=> x=3

Hence x equals to 3.

You can add or remove the explanation/description, I simply add them to make you understand.

If you need help, let me know.

Good luck.

Thanks for using** FixYa.**

Posted on Oct 08, 2010

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2x^2-3x-5=0

Posted on Oct 08, 2012

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Posted on Jan 02, 2017

The calculator cannot do symbolic algebra. If equation is aX^2+bX+c=0, write it in the form a(X^2+(b/a)X+(c/a))=0 and solve the quadratic equation X^2+(b/a)X+(c/a)=0. Get the approximate roots X1, and X2 (if they exist) and write your original equation in the for

a(X-X1)(X-X2)=0

Your quadratic polynomial is factored as** a(X-X1)(X-X2)**

a(X-X1)(X-X2)=0

Your quadratic polynomial is factored as

May 28, 2014 | Casio Office Equipment & Supplies

You can do it the same way people did it before calculators were invented. Just use the quadratic formula: http://en.wikipedia.org/wiki/Quadratic_formula. Some sophisticated calculators have generalized equation solvers that can handle equations much more complicated than the quadratic, but the fx-82 isn't one of them.

Nov 06, 2013 | Casio FX82MS Scientific Calculator

You can do it the same way people did it before calculators were invented. Just use the quadratic formula: http://en.wikipedia.org/wiki/Quadratic_formula, and let the calculator handle the arithmetic. Some sophisticated calculators have generalized equation solvers that can handle equations much more complicated than the quadratic, but the fx-82 isn't one of them.

Nov 06, 2013 | Casio FX82MS Scientific Calculator

The BAIIPlus doesn't have anything specifically for solving quadratic equations. You can simply plug the coefficients a, b, and c into the quadratic formula.

Oct 03, 2013 | Texas Instruments Office Equipment &...

See if it has an equation mode, and select quadratic equations. If it has a SOLVE feature, enter equation, provide a guess and solve.

Feb 26, 2013 | Casio Office Equipment & Supplies

Your scientific calculator is unable to solve complex equation with complex coefficients. You should try to solve by hand directly using the quadratic formula or by factoring the polynomial in z

failing that, another way would be to set z=x+iy, substitute this for z, carry out the algebra and try to separate real and imaginary parts. But your two equations will constitute a system of two quadratic equations. I am not aware of any general method to solve coupled nonlinear equations.

Good luck.

failing that, another way would be to set z=x+iy, substitute this for z, carry out the algebra and try to separate real and imaginary parts. But your two equations will constitute a system of two quadratic equations. I am not aware of any general method to solve coupled nonlinear equations.

Good luck.

Dec 20, 2012 | Casio FX-115ES Scientific Calculator

This calculator is unable to factor a polynomial expression.

In general there are a few factoring methods

In general there are a few factoring methods

**Factor by grouping terms****Factor by completing the square**(quadratic polynomial)**Factor by finding two integers such their sum is equal to the coefficient of the middle term, and their product is equal to the third (constant term)**. This is valid for a quadratic polynomial where the leading coefficient (of the x^2 term) is equal to 1.**X^2+SX+P**

Jul 31, 2012 | Casio FX-115ES Scientific Calculator

Press MODE 5 to bring up the equation types. Press 3 for the quadratic. Enter the three coefficients. Press = to see the first root. If the display shows x1 then press down to see the other other root. If the display only shows x then that's a double root. Given the two roots x1 and x2, the factors of the quadratic are (x-x1) and (x-x2).

Refer to "Equation Calculations" on page E-55 of the manual and examples #094 and #095 in the appendix for examples of solving quadratic equations. If the you need the manual and/or appendix, you can download them from

http://support.casio.com/manualfile.php?rgn=1&cid=004001004

Refer to "Equation Calculations" on page E-55 of the manual and examples #094 and #095 in the appendix for examples of solving quadratic equations. If the you need the manual and/or appendix, you can download them from

http://support.casio.com/manualfile.php?rgn=1&cid=004001004

May 11, 2011 | Casio FX-115ES Scientific Calculator

The form of quadratic equation is

The roots of the above quadratic equation are

The roots of the above quadratic equation are

Nov 07, 2010 | Computers & Internet

Hello,

In your manual, Appendix Program Library, (Page A1) you have the listing of the problem to solve the quadratic equation. Type it in your calculator and execute it.

Hope it helps.

In your manual, Appendix Program Library, (Page A1) you have the listing of the problem to solve the quadratic equation. Type it in your calculator and execute it.

Hope it helps.

Aug 13, 2009 | Casio FX-9750GPlus Calculator

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