Resolver (x+9)(x+9)

$$(x+9)(x+9)$$

Calcular

$$\left(x+9\right)^{2}$$

Pasos da solución

Multiplica x+9 e x+9 para obter \left(x+9\right)^{2}.

$$\left(x+9\right)^{2}$$

Usar teorema binomial \left(a+b\right)^{2}=a^{2}+2ab+b^{2} para expandir \left(x+9\right)^{2}.

$$x^{2}+18x+81$$

Expandir

$$x^{2}+18x+81$$

Pasos da solución

Multiplica x+9 e x+9 para obter \left(x+9\right)^{2}.

$$\left(x+9\right)^{2}$$

Usar teorema binomial \left(a+b\right)^{2}=a^{2}+2ab+b^{2} para expandir \left(x+9\right)^{2}.

$$x^{2}+18x+81$$