Question

How do you simplify `4x ^ { 3} ( 5x ^ { 2} - 9x + 2)`?

Answer 1

`20x^5 - 36x^4 + 8x^3`

Explanation:

Distribute, remembering `x^mx^n = x^(m+n)`

`4x^3(5x^2 - 9x +2) = 20x^5 - 36x^4 + 8x^3`