Resposta:

x² + 4x + 4

Explicação passo a passo:

Verified answer

[tex](x + 2) {}^{2} = \\ (x + 2) {}^{2} \\ x {}^{2} + 2x \times 2 + 2 {}^{2} \\ 2x \times 2 \\ 4x \\ x {}^{2} + 2x \times 2 + 2 {}^{2} \\x {}^{2} + 4x + 2 {}^{2} \\ x {}^{2} + 2x \times 2 + 2 {}^{2} \\ 2 {}^{2} \\2 \times 2 \\ 4 \\ x {}^{2} + 2x \times 2 + 2 {}^{2} \\ x {}^{2} + 4x + 4 \\ resposta \\x {}^{2} + 4x + 4 [/tex]

Resposta

x^2+4x+4