Question

IP (X) = (x-1) (x+3)​

Answer 1

$(x - 1)(x + 3) \\ = x(x + 3) - 1(x + 3) \\ = {x}^{2} + 3x - x - 3 \\ = {x}^{2} - 2x - 3$

Answer 2

Answer:

X=x+1)(x+3)

2x+4

x-2x=4

-x=4

so

x=-4