Question

2 (x + 4) – (x2 + 3) = (x + 5)2 + X+ 9​

Answer 1

Resposta:

x=-8/3

Explicação passo-a-passo:

2 (x + 4) – (x2 + 3) = (x + 5)2 + X+ 9​

2x+8-2x+3=2x+10+x+9

0+11=3x+19

11=3x+19

11-19=3x

-8=3x

-8/3=x

ou seja, x=-8/3