Question

Factor x^2-66x+65

Answer 1

(x-65) (x-1)

Answer 2

\[x^2-66x+65 = x^2 - 65 x - x + 65 = x(x-65)-1(x-65) = (x-1)(x-65)\]

Answer 3

what two numbers do you multiply to get 65? 65 and 1
the addition sign in front of 65 states you have to add them to get 66
they both have to be negative
-65-1=-66
(-65)(-1)=+65