Question

(8x + 9
$(8x + 9) { }^{2}$
​

Answer 1

Respuesta:

$64x^2+144x+81$

Explicación paso a paso:

$\left(8x+9\right)^2$

$\mathrm{Aplicar\:la\:formula\:del\:binomio\:al\:cuadrado}:\quad \left(a+b\right)^2=a^2+2ab+b^2$

$=\left(8x\right)^2+2\cdot \:8x\cdot \:9+9^2$

Simplificar

$=64x^2+144x+81$