Question

розвяжіть 5х^2-15x=0

Answer 1

Ответ:

$5x { }^{2} - 15x = 0 \\ 5x(x - 3) = 0$

1)

$5x = 0 \\ x = 0 \div 5 \\ x = 0$

2)

$x - 3 = 0 \\ x = 3$

ответ:

$x1 = 0 \\ x2 = 3$