Simplify (x − 4)(x2+ 5x + 2).

asked May 9, 2018 144k views

4 votes

6.3k points

Please log in or register to add a comment.

2 votes

Distribute

x3 + 5x2 + 2x - 4x2 - 20x - 8

Add or subtract like terms.

x3 + x2 - 18x - 8

Mariann answered May 11, 2018

6.8k points

3 votes

(x - 4)(x^2 + 5x + 2) =
x(x^2 + 5x + 2) - 4(x^2 + 5x + 2) =
x^3 + 5x^2 + 2x - 4x^2 - 20x - 8 =
x^3 + x^2 - 18x - 8 <==

Uhall answered May 13, 2018

by Uhall

6.1k points

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

6.7m questions

8.8m answers