Question

cuadrado de un binomio (9+4m)²​

Answer 1

Respuesta:

$\left(9+4m\right)^2\\\\\\\mathrm{Aplicar\:la\:formula\:del\:binomio\:al\:cuadrado}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\a=9,\:\:b=4m\\=9^2+2\cdot \:9\cdot \:4m+\left(4m\right)^2\\\\=81+72m+16m^2$