Question about Casio FX-115ES Scientific Calculator

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Variables How do I simplify algebraic expressions with this calulator? 7x+10x 5(3x+4)-4 4(2y-6)+3(5y+10)

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  • rm2008 Jun 22, 2008

    hou to solve number long eq

  • LadyTaurus May 01, 2009

    currently taking math 070 in college and we are using problems like 10a-3a+14=2-6a+28 I am able to input it, but to have the calculator solve it is a different thing I continually get a syntax error.

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  • Casio Master
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Hello,
This calculator cannot handle symbolic algebra.
Use the rules to simplify the expressions: Get rid of the parentheses using distributivity od multiplication with respect to addition; group similar terms (terms with x, terms without x).
Hope it helps.

Posted on Sep 27, 2009

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Posted on Jan 02, 2017

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What does polynomial function mean?


Let us backtrack so as to better jump.
An algebraic expression may contain one or several algebraic terms, separated by a plus sign or a or a minus and a sign.
Each algebraic term is the product of a constant coefficient and a power of some variable, or the powers of several variables.
Example of an algebraic term 3(x^2)(y^6)....
If the exponents of the various powers are positive integers, the term is called a monomial. In short no square roots, or fractionary powers of the variables appear in monomials. Thus 2/x, 3SQRT(x), or 1/x^5 are not monomials.
Finally, a polynomial is an algebraic expression made up of one or more monomials.
Example P(X)=(1/3)X^7-(SQRT(5)*X^4+ 16X-25 is a polynomial of degree 7 in the indeterminate/variable X
Q(X,Y)= 3(X^3)*Y^2 + 4X-5Y+10 is a polynomial of degree 5 in the variables X and Y.

Oct 01, 2014 | Office Equipment & Supplies

1 Answer

(7*10^17)(8*10^-28)


(7*8)*10^(17-28)=56*10^(-11)=5.6*10^(-10)=5.6EE-10

Feb 14, 2014 | SoftMath Algebrator - Algebra Homework...

1 Answer

(7*10^17)(8*10^-28)


Multiply 7 by 8 to get 56. Add the exponents 17 and -28 to get -11. The result is 56 * 10^(-11). Adjust the decimal point left one place to get 5.6 * 10^(-10).

Feb 14, 2014 | MathRescue Word Problems Of Algebra Lite

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How we can multiply two algebraic equation in 991 ES CASIO calculators


The Calculator does not have a Computer Algebra System (CAS), and cannot perform algebraic operations with variables. However if you enter some expression with variables, it can solve for one unknown after it prompts you for the values of the others

Oct 05, 2012 | Casio Fx-991es Scientific Calculator

1 Answer

Im trying to use Algebra on the new calculator I bought, as its important for my school use. As an example, I write: 3x+3x and that result is 0? How come? Shouldn't it be 6x?


This calculator cannot do algebra ( manipulating expressions with letter symbols) . It does not have a CAS (computer Algebra System). All it can do is evaluate (find the numerical value of) expressions typed in. If it has the appropriate keys to enter variables such as A,B,C, or X and Y., and you entered an expression with variables it will use the numerical values stored in the variables. If you have not stored anything in a variable, it is given the value 0 by default.

Aug 25, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

(a + 2b)(a2 - 2ab - 4b2)


I believe that the algebraic expression should be written as:
(a + 2b)(a^2 - 2ab - 4b^2)

which can be rewritten as:
(a + 2b)^2 * (a - 2b)


The simplified form of this expression is:
(a^3 - 2a^2b - 4ab^2 + 2a^2b - 4ab^2 - 8b^3)

which can then be further simplified as:
(a^3 - 8b^3)

Aug 24, 2011 | Bagatrix Algebra Solved! 2005 (105101) for...

1 Answer

How do I get my calculater to and and simplify completely 5xto the third power over 6xyto the second power divided by 10x over 3xy to the fourth power for variable y


The calculator does not have a CAS (Computer Algebra System). Therefore it cannot do symbolic algebra. It can only calculate numerical values.

You can enter algebraic expressions with symbols (X, variable), Y, A,B,C,D, and M but they will just be evaluated with the current values of A, B,C,D, Y, and M. If you use the SOLV program the unknown variable must be X.

Jun 21, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

7x-3+3x=-53 what is the value of 4x+9


7x-3 + 3x = -53
7x + 3x - 3 = -53
10x - 3 = -53
10x = -53 + 3
10x = -50
x = -5
Therefore 4x + 9 is equal to 4 times (-5) plus 9
-20 + 9 equals -11

Dec 17, 2008 | SoftMath Algebrator - Algebra Homework...

1 Answer

Report a bug


the exact equation is
15x^2 - 21x - 18
=3(5x^2 - 7x - 6)
=3{5x^2 -(10-3)x -6 }
=3{5x^2 - 10x + 3x -6}
=3{5x(x - 2) + 3(x-2)}
=3(x-2)(5x+3) these are the factors

Thanks

Zulfikar Ali
ali_zulfikar@yahoo.com
9899780221

Oct 16, 2008 | SoftMath Algebrator - Algebra Homework...

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