Answered

f(×)=ײ-2×-3 using quadratic function

Sagot :

f(x) = x² - 2x - 3

f(x) = (x-3) (x+1)

Set f(x) or y to zero, then solve for x:

(x - 3) (x + 1) = 0

x - 3 = 0      x + 1 = 0
x = 3           x = -1

Roots: {3, -1}