Question

Determine as raízes reais das equações

x²+ 25 x = 0

x²+ 100 x= 0

Answer 1

x² + 25x = 0 => x ( x + 25 ) = 0
=> x = 0 ou x = -25

x² +100x = 0 => x ( x + 100 ) = 0
=> x = 0 ou x = -100