Subtract Polynomials

Algebra
Tutor: None Selected Time limit: 1 Day

(6x^3-5x)-(9x^3+8x+2)

Vertically

Sep 25th, 2015

Thank you for the opportunity to help you with your question!

(6x^3-5x)-(9x^3+8x+2)

First write out the polynomial, leaving gaps as required

6x^3  -5x

9x^3  +8x   +2

Then change the signs in the second part of the polynomial to ensure that the –ve sign outside the bracket is catered for, and then add.

6x^3  -5x

-9x^3  -8x   -2

-3x^3  -13x  -2

So the answer is

-3x^3-13x-2



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Sep 25th, 2015

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Sep 25th, 2015
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Sep 25th, 2015
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