Question

How do you simplify `(8x^3 + 5x) - 3(x^3 + 2)`?

Answer 1

`5x^3+5x-6`

Explanation:

First, expand the second bracket:

`(8x^3 +5x)-3*x^3-3*2`

`(8x^3 +5x)-3x^3-6`

Then collect "like" terms :

`8x^3-3x^3+5x-6`

`color(red)(5x^3+5x-6)`