pembuat nol fungsi f(x)=x^2-2x-8

FUNGsi KUAdrat

Pembuat nol :
f(x) = 0
x² - 2x - 8 = 0
(x - 4)(x + 2) = 0
x = 4 atau x = -2

Pembuat nol fungsi :
x = 4 dan x = -2

[tex] = {x}^{2} - 2x + 8 \\ = (x - 4)(x + 2) \\ = x = 4 \\ = x = -2[/tex]