How do you simplfiy #(x^3 +2x^2 +5x) -(3x^2 -x-7)#?

1 Answer
The_tutor
Oct 10, 2016

#x^3-x^2+6x+7# you could further simplify it but it is a pain!

Explanation:

Distribute the negative in to your second parenthesis:

#x^3+2x^2+5x-3x^2+x+7#

Add or subtract the terms with the same degree (power or exponent):

#x^3-x^2+6x+7#

Use synthetic division:

#x^3-x^2+6x+7#

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