Simplify the sum. (8u^3+8u^2+6)+(4u^3-6u+3)

asked Nov 14, 2022 130k views

2 votes

3.0k points

Please log in or register to add a comment.

3 votes

Answer:

$\boxed{12u^3+8u^2-6u+9}$

Explanation:

(8u^3+8u^2+6)+(4u^3-6u+3) = 8u^3+8u^2+6+4u^3-6u+3

Once

$8x+4x = 12x, \text{ as } x = u^3$

$8u^3+8u^2+6+4u^3-6u+3 = 12u^3+8u^2+6-6u+3 = \boxed{12u^3+8u^2-6u+9}$

You don't need to factor.

Shusen Yi answered Nov 18, 2022

3.2k points

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

3.6m questions

4.6m answers