Question

Factories: x2 – 2x -15​

Answer 1

Step-by-step explanation:

x²-2x-15

x²-5x+3x-15

x(x-5)+3(x-5)

(x-5)(x+3)

Answer 2

Step-by-step explanation:

x²-2x-15=(x+3)(x-5)

x+3=0,x-5=0

x=-3,x=5