Simplify (-5xsquared-3x-7)+(-2x to the third +6xsquared -8)

asked Nov 8, 2020 172k views

2 votes

4.4k points

Please log in or register to add a comment.

4 votes

Answer:

$\large\boxed{(-5x^2-3x-7)+(-2x^3+6x^2-8)=-2x^3+x^2-3x-15}$

Explanation:

$(-5x^2-3x-7)+(-2x^3+6x^2-8)\\\\=-5x^2-3x-7-2x^3+6x^2-8\qquad\text{combine like terms}\\\\=-2x^3+(-5x^2+6x^2)-3x+(-7-8)\\\\=-2x^3+x^2-3x-15$

Muhammadjon answered Nov 14, 2020

4.8k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.9m questions

6.4m answers