Question

find f(2),f(-2) and f (0)of the polynomial f (x) =(x+4)(x-5) please please please ​

Answer 1

Answer:

f(x) = (x + 4)(x - 5)

f(2) = (2+4)(2-5)

= 6*(-3)

= -18

f(-2) = (-2+4)(-2-5)

= 2*(-7)

= -14

f(0) = (0+4)(0-5)

= 4*(-5)

= -20