Question

b) 2x2 + 4x + 4 = 0​

Answer 1

Explicação passo-a-passo:

$2 \times 2 + 4x + 4 = 0 \\ 8 + 4x = 0 \\ 4x = - 8 \\ x = \frac{ - 8}{4} \\ x = - 2$

Answer 2

Resposta:

8+4x=0

4x=-8

x=-8/4

x=-2