Question

Which shows one way to determine the factors of x^3+5^2-6x-30

Answer 1

(x^2 - 6)(x + 5).

Explanation:

x^3 + 5x^2 - 6x - 30

Factor by grouping:

= x^2(x + 5) - 6(x + 5)

(x + 5) is common to both groups so the factors are

(x^2 - 6)(x + 5) (answer).