Question

Fatore x² + 5x=0
Ox=5, ex=-5
() x=Oix=5
Ox=0u X=-9
() x = 10, 126=-9​

Answer 1

Explicação passo-a-passo:

${ \times }^{2} + 5 \times = 0 \\ \\ \times ( \times + 5) = 0 \\ x = 0 \\ x + 5 = 0 \\ x = - 5$