Question

5x^5 + 20x^3 - 105.x^2
factor the following polynomial completely​

Answer 1

The answer is 5x^2(x-3)(x+7)

Explanation:

5x^4+20x^3-105x^2

=5x^2(x^2+4x-21)

=5x^2(x+7)(x-3)