Question

What is the greatest common factor of the terms of the polynomial −25y3 + 15y2 − 5y

Answer 1

25 y 3−15 y 2−10 y ... 25y3 - 15y2 - 10y = 5y • (5y2 - 3y - 2) ... 5y • (y-1) Add up the last 2 terms, pulling out common factors : 2 • (y-1