How do you combine like terms in (3x27x+5)(5x25x+2)?

2 Answers
Mar 3, 2018

(3x27x+5)(5x25x+2)=8x22x+3

Explanation:

Given:

(3x27x+5)(5x25x+2)

Simplify.

3x27x+5(5x25x+2)

Simplify parentheses.

3x27x+5+5x2+5x2

Collect like terms.

(3x2+5x2)+(7x+5x)+(52)

Combine like terms.

8x22x+3

Mar 3, 2018

8x22x+3

Explanation:

First multiply -1 to the second bracket
(5x25x+2)=5x2+5x2
Then, you can just minus the first bracket by the second bracket
3x2+5x27x+5x+52=8x22x+3