Question

Porfavor quisiera que me ayudes en esto

Answer 1

solucion

(x+7)^2=x^2+14x+49

(a-13)^2=a^2-26a+169

(12n+5)^2=144n^2+120n+25

(2-11m)^2=4-44m+121m^2

(8mn+3p)^2=64m^2n^2+48mnp+9p^2

saludos