Question

What are the zeros of f(x)=(x+5)(x-9)?

Answer 1

x = - 5, x = 9

Explanation:

To find the zeros equate f(x) to zero, that is

(x + 5)(x - 9) = 0

Equate each factor to zero and solve for x

x + 5 = 0 ⇒ x = - 5

x - 9 = 0 ⇒ x = 9

Answer 2

x= -5

x= 9

Explanation: