Question

como resolvo:
(x² + 8).(x² + 2)​

Answer 1

$\mathsf{({x}^{2}+8)({x}^{2}+2)}\\\mathsf{{x}^{4}+2{x}^{2}+8{x}^{2}+16}$

$\boxed{\boxed{\mathsf{({x}^{2}+8)({x}^{2}+2)={x}^{4}+10{x}^{2}+16}}}$