Question

Factor completely x3 − 6x2 − 5x + 30.

(x + 6)(x2 + 5)

(x − 6)(x2 + 5)

(x − 6)(x2 − 5)

(x + 6)(x2 − 5)

Answer 1

c

Explanation:

got it correct on the test

Answer 2

Explanation:

x³ - 6x² - 5x + 30 = x³ - 6x² - 5x + 5*6

Take x² from first two terms and (-5) from third & fourth term

= x²*(x - 6) - 5 (x - 6)

= (x - 6) (x² - 5 )