👤

Given the quadratic function, f(x) = (x + 2) (x-3), what is its general form?

A. f(x) = x² - 2x - 6

B. f(x) = x² - 6 - x

C. f(x) = x²+ x - 6

D. f(x) = x²- x - 6​


Sagot :

Answer:

Foil method:

f(x) = (x + 2) (x-3)

= x² + 2x - 3x - 6

= x² - x - 6