Given the quadratic equation: f(x) = x2+4x-21

What are the factors of the quadratic (factored form/intercept form)? Show your work.
PLEASE HURRY

Respuesta :

[tex]f(x)=x^2+4x-21\\f(x)=(x+7)(x-3)[/tex]

These are x-intercepts form. So the answer is (x+7)(x-3).