Question

Q.6 The factors of x
square - X - 12 are
O
A) (x-3)(x-4)
B) (x+3)(x + 4)
C) (x+3)(x-4)
OD) (x-3)(x+4)​

Answer 1

Answer:

x²-x-12=0

x²-4x+3x-12=0

x(x-4)+3(x-4)=0

(x+3)(x-4)=0

x=-3 or x=4

option (c) is the correct.