Question

if 4 is one zero of x^2-2x-8,find the other zero​

Answer 1

Answer:

other zero is 2

Step-by-step explanation:

x² - 2x - 8

x² -(4-2)x - 8

x² - 4x + 2x - 8 = 0

x(x - 4).-2(x - 4)

(x - 2)(x - 4)

x - 2 = 0 , x - 4 = 0

x = 2 , x = 4