Question

(x+2) (x-4) . what is the answer . explain at detail . I will give one choose that is this sum is a method of a formula. guys please answer quick friends. ​

Answer 1

$(x + 2)(x - 4) = x (x - 4) + 2(x - 4) \\ = {x}^{2} - 4x + 2x - 8 \\ = {x}^{2} - 2x - 8$

Hope it helps.. :)

Answer 2

(x+2) (x-4)=0

x² -4x +2x +8=0

x² -2x +8=0