Respuesta :

[tex] \sf \dashrightarrow(x - 4) {}^{2} [/tex]

[tex] \\ \\ [/tex]

[tex] \sf \dashrightarrow {x}^{2} + {4}^{2} + 2 \times 4 \times x[/tex]

[tex] \\ \\ [/tex]

[tex] \sf \dashrightarrow {x}^{2} + 16 + 8x[/tex]
X2-8x+16
Use (x-4)(x-4) and use distributive property