Question

What is the factored form of x^2-6x-16?

(X-4)(x-2)
(X+4)(x-2)
(X-2)(x+8)
(X-8)(x+2)

Answer 1

(x-8)(x+2)

the sign of the last part is negative, therefore it has to be (+)(-)

Answer 2

what 2 numbers multily to get -16 and add to get -6?
-8 and 2
(x+2)(x-8) is answer