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

1 Answer
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