If a =3x^2+5-6 and b=-2x^2-6x+7 then a -b equals

asked Mar 18, 2021 143k views

3 votes

by Vvvvv

5.0k points

Please log in or register to add a comment.

7 votes

Answer:

a-b = 5x² + 6x -8

Explanation:

a = 3x² + 5 -6 ⇒ 3x² -1

b = -2x² -6x + 7

a-b

3x² -1 -( -2x² - 6x + 7)

3x² -1 + 2x² + 6x -7

5x² + 6x -8

Kyle Jones answered Mar 22, 2021

6.0k points

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

6.6m questions

8.7m answers