3xpangkat 2-12=0 jwb laa

3x² - 12 = 0

a = 3
b = 0
c = -12

X1,2 = -b ± √(b² - 4ac) / 2a
X1,2 = 0 ± √(0² - 4.3(-12) / 2.3
X1,2 = 0 ± √144 / 6
X1,2 = (0 ± 12) / 6

X1 = (0 + 12) / 6
X1 = 12 / 6
X1 = 2

X2 = (0 - 12) / 6
X2 = -12 / 6
X2 = -2

HP {2 , -2}

Semoga berguna +_+