Question

exercício 1 ,2,3 porfavo

Answer 1

Ola Gavriek

1) 

x² = 5x 

x² - 5x = 0

x*(x - 5) = 0

x1 = 0
x2 = 5

2)

4x² + 32x = 0

x² + 8x = 0

x(x + 8) = 0

x1 = 0
x2 = -8

3)

5x² + 4 = 2*(x + 2)

5x² + 4 = 2x + 4

5x² - 2x = 0

x*(5x - 2) = 0

x1 = 0
x2 = 2/5

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