Question

x2 + 4x = 0
x2 = 5x
4x2 = - 32 x
x2 - 3x = 3x2 - 4x =

Answer 1

x² + 4x = 0

x(x + 4) = 0

x = 0        x + 4 = 0

               x = - 4

CS = (0; -4)

x² = 5x

x² - 5x = 0

x(x-5) = 0

x = 0        x - 5 = 0

               x = 5

CS = (0;5)

Eternamente axllxa

Eternamente axllxa

x2 = 5x

4x2 = - 32 x

x2 - 3x = 3x2 - 4x =