Question

X в квадрате + 3x =0

Answer 1

$x { }^{2} + 3x = 0 \\ x \times (x + 3) = 0 \\ x = 0 \\ x + 3 = 0 \\ x = 0 \\ x = - 3 \\ x1 = - 3 \\ x2 = 0$

Answer 2

Х²+3х=0
х(х+3)=0
х₁=0
х₂+3=0     х₂=-3