\( (+4x)\times(-4x)= \)
\( x \)
\(-16x^2\)
\( +800:-4:a\text{?}0 \)
No es posible calcular
>
(+4x)×(−4x)= (+4x)\times(-4x)= (+4x)×(−4x)=
−16x2-16x^2−16x2
+800:−4:a?0 +800:-4:a\text{?}0 +800:−4:a?0