Question

Which shows one way to determine the factors of x3 + 5x2 – 6x – 30 by grouping?

Answer 1

Work shown below;

Explanation:

Factor by grouping:

`x^(3)+5 x^(2)-6x-30\\(x^(3)+5 x^(2)) (-6x-30)\\x^(2) (x+5)-6(x+5)\\(x^(2)-6 )(x+5)`