x2 - 4x - 32
= (x - 8)(x + 4)
Chat with our AI personalities
-28
If that's -5 the answer is (x - 5)(x + 1)
4x + 32 = 4(x + 8)
4x3 + 16x2 - 180x = 4x(x2 + 4x - 45) = 4x(x + 9)(x - 5)
f(x) = x2-4x-5 = x2-5x+x-5 = x(x-5)+1(x-5) = (x+1)(x-5) Factors of f(x) are (x+1) and (x-5).