Răspuns :
Bună!⭐
[tex](x + 4) ^{2} [/tex]
[tex] {x}^{2} + 2x \times 4 + {4}^{2} [/tex]
[tex] {x}^{2} + 8x + {4}^{2} [/tex]
[tex] {x}^{2} + 8x + 16[/tex]
[tex](x + 4) ^{2} [/tex]
[tex] {x}^{2} + 2x \times 4 + {4}^{2} [/tex]
[tex] {x}^{2} + 8x + {4}^{2} [/tex]
[tex] {x}^{2} + 8x + 16[/tex]