Question

Решите уравнения (15.8-15.9): 15.8.
1) x/2 + 6x=0;
2) x/2 - 5x = 0;​

Answer 1

$1) \frac{x}{2} + 6x = 0 \: ymnojaem \: obe \: chasti \: na \: 2$

$x + 12 x = 0$

$13x = 0$

$x = 0$

$2)\frac{x}{2} - 5x = 0 \: ymnojaem \: obe \: chasti \: na \: 2$

$x - 10x = 0$

$- 9x = 0$

$x = 0$