Question

3x ( elevado a 2) - 6x=0

Answer 1

3x² - 6x = 0
Δ = b² - 4.a.c
Δ = (-6)² - 4.3.0
Δ = 36 - 0
Δ = 36

$x = \frac{-(-6) +- \sqrt{36}}{2.3} = \frac{6 +- 6}{6} =$
$x1 = \frac{6 + 6}{6} = \frac{12}{6} = 2$
$x2 = \frac{ 6 - 6}{6} = \frac{0}{6} = 0$