Question

x2−6x−16=0

Answer 1

\[x^2-6x-16=0\]we want 2 numbers that multiply to -16 and add to -6
what are these two numbers?

Answer 2

-2,8

Answer 3

so since we dont have a coefficient on the first term we know the answer is
(x+2)(x-8)

Answer 4

note that if we plug in -2 or 8 we get 0

Answer 5

yeah