Question

Select the correct product.(x²+4) (x² − 4)

Answer 1

Step-by-step explanation

`\begin{gathered} \left(x^2+4\right)\left(x^2-4\right) \\ \mathrm{Apply\:Difference\:of\:Two\:Squares\:Formula:\:}\left(a+b\right)\left(a-b\right)=a^2-b^2 \\ \left(x^2+4\right)\left(x^2-4\right)=\left(x^2\right)^2-4^2 \\ =\left(x^2\right)^2-4^2 \\ =x^4-16 \end{gathered}`