Question

solve using the factorization method
(x-8) (x+4) = 13

Answer 1

x^2+4x -8x-32 =13

x^2 -4x -45 =0

x^2-9x + 5x - 45 =0

x(x-9)+5(x-9)=0

(x-9)(x+5)=0

x = 9 or -5