Question

Which expression is equivalent to x2 – 17x - 60? A (x - 20)(x + 3) B (x - 5)(x-12) C (x - 20)(x - 3) D (x + 5)(x-12)

Answer 1

x2 – 17x - 60?

Factorize , Find a b

ab= -60

a+b = -17

Then a= -20, b= 3

Answer is

OPTION A) (x-20)(x-3)