Question

Use the grouping method to factor the polynomial below completely. x3 - 3x2 + 5x - 15

A. (x2 - 5)(x+3)

B. (x2 - 3)(x + 5)

c. (x2 + 3)(x

D. (x2 + 5)(x-3) ​

Answer 1

(x²+5) (x-3)²

Explanation:

x³ - 3x² + 5x - 15

x²(x-3) + 5(x-3)

(x²+5) (x-3)²