Question

(x+3)(x + 4) = 7(x+2)​

Answer 1

Resposta:

x= ± √2

Explicação passo-a-passo:

(x + 3)(x + 4) = 7(x + 2)

x² + 4x + 3x + 12 =7x + 14

x² + 7x + 12 = 7x + 14

x² + 7x - 7x + 12 - 14 = 0

x² - 2 = 0

x² = 0 + 2

x² = 2

x= ± √2