Question

Решить уравнение 7х²=0

Answer 1

$7x {}^{2} \div 7 = 0 \div 7$

$x {}^{2} = 0 \div 7$

$x {}^{2} = 0$

$x = 0$

Answer 2

Объяснение:

$7 {x}^{2} = 0 \\ x { }^{2} = 0 \\ x = 0$