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(x+5x+7x+8x)(3) how to find its product?

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Add all the x terms and multiply it with 3 answer will be =63x

Posted on Apr 01, 2010


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Im trying to solve the equation 5x=10-3x

5x (-3x) = 2x -3x - -3x = 0
The equation then becomes 2x=10 2x/2 = x and 10/2 =5
then x=5. does it work 5x5=10+3*5 YES

Jan 20, 2017 | The Office Equipment & Supplies

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Y=x^2-7x+4, y=-8x^2+56x-86

Since the y-variable is isolated in both equations, set the two right sides of the equations equal
Combine all like terms on one side of the equal sign
9x^2-63x+90=0. factor out the 9 to get 9(x^2-7x+10)=0
Now solve the equation (x^2-7x+10)=0. The solutions are x=5 and x=2
Calculate the y-value tof be y=-6
The two solutions are (2,-6) and (5,-6)
Graphically, here is how the two curves intersect. One intersection point in the screen capture is (2,-6). You can read that the other intersection point is (5,-6)


Mar 03, 2014 | Office Equipment & Supplies

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Give the polynomial function whose roots are -2 1 and 3

We can write this polynomial as:
  • (x-(-2))*(x-1)*(x-3)=
  • (x+2)(x-1)(x-3)=
  • (x+2)[x*(x-3)-1*(x-3)]=
  • (x+2)*(x^2-3x-x+3)=
  • (x+2)(x^2-4x+3)=
  • x*(x^2-4x+3)+2*(x^2-4x+3)=
  • x^3-4x^2+3x+2x^2-8x+6=
  • x^3-2x^2-5x+6
x^3-2x^2-5x+6 is polynomial with roots -2, 1, 3.

You can see this polynomial in following picture:


Notice that it intersects x axis for x=-2, 1 and 3 (because these are roots of polynomial).

Oct 03, 2011 | Office Equipment & Supplies

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Sir i am using acer 4736z i got problem with my dvd driver when i am inserting blank dvd for writing operation it shwos 0 bytes used free sapce 0 bytes not able to write data so what to do pls help me...

you have to make sure you are using the correct format for your drive i.e (+/-)
  • Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 8X DVD-ROM DL (double-layer), 6X DVD-R DL (double-layer), 6X DVD+R DL (double-layer), 8X DVD-RW, 8X DVD+RW, 5X DVD-RAM, 4X BD-ROM, 4X BD-R, 2X BD-RE, 4X BD-ROM DL (double-layer), 4X BD-R DL (double-layer), 2X BD-RE DL (double-layer)
  • Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 6X DVD-RW, 6X DVD+RW, 5X DVD-RAM, 4X DVD+R DL (double-layer), 4X DVD-R DL (double-layer)

8X DVD-Super Multi double-layer drive:
  • Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X DVD-ROM DL (double-layer), 6X DVD-R DL (double-layer), 6X DVD+R DL (double-layer), 8X DVD-RW, 8X DVD+RW, 5X DVD-RAM
  • Write: 24X CD-R, 24X CD-RW, 8X DVD-R, 8X DVD+R, 6X DVD-R DL (double-layer), 6X DVD+R DL (double-layer), 6X DVD-RW, 8X DVD+RW, 5X DVD-RAM

Apr 09, 2011 | Acer Computers & Internet

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Subtract x+1 from 8x-9

8x-9- (x plus 1)=8x-9-x-1=8x-x-9-1=7x-10

Nov 27, 2010 | Casio FX-115ES Scientific Calculator

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(5x-15)+(3x+5)=180 angle a = (5x-15) degrees (obtuse) angle b = (3x+5) degrees (acute) both angles are supplementary to each other equaling 180 solving for x

Solve for x
5x+3x+(-15) + 5 becomes 8x-10=180
move 10 from left to right and you get8x190
8x = 190
x = 23.75
so the first angle is (5*23.75)-15 = 103.75
and the second angle is (3*23.75) +5 = 76.25

check by adding 76.25+103.75 = 180

Make sense? I love math, let me know it you need more help

Mar 06, 2010 | SuperTutor Homeworkhelp.Com Super Tutor...

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How to solve (4+x) (5-x)/(2+x) (7-x)=1


Oct 21, 2009 | SoftMath Algebrator - Algebra Homework...

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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


Zulfikar Ali

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

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