Question

(x-2)ao quadrado e igual a 4 menos 9x

Answer 1

(x - 2)² = 4 - 9x
x² - 4x + 4 = 4 - 9x
x² - 4x = - 9x
x² - 4x + 9x = 0
x² + 5x = 0
x(x + 5) = 0

x = 0 ou x = - 5

Answer 2

Boa noite 

(x - 2)² = 4 - 9x 

x² - 4x + 4 = 4 - 9x

x² + 5x = 0

x*(x + 5) = 0

x1 = 0
x2 = -5