Solve 3x² - 12 = 0

Problem

$3x^2 - 12 = 0$

Step-by-step solution

Tambahkan $12$ ke kedua ruas: $3x^2 = 12$ .
Bagi kedua ruas dengan $3$ : $x^2 = 4$ .
Ambil akar kuadrat positif dan negatif: $x = \pm 2$ .

Answer

$x = 2 \quad \text{or} \quad x = -2$

Want to solve a different problem? Open the quadratic solver →