Respuesta :
We can factor this using the AC method.
We can split the middle term using the factors 4 and -9
x^2 + 4x - 9x - 36
Factor by grouping.
x(x + 4) - 9(x + 4)
We can factor this using the AC method.
We can split the middle term using the factors 4 and -9
x^2 + 4x - 9x - 36
Factor by grouping.
x(x + 4) - 9(x + 4)