Question

factors of x²-x-12 are ​

Answer 1

Answer:

x^2-x-12

x^2-(4-3)x-12

x^2-4x+3x-12

x (x-4)+3 (x-4)

(x+3)(x-4)

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

Either or

x+3=0 x-4=0

x=-3 x=4