Question

4*(a-c)=
x*(7-y)=
(16-y)*(16+y)=
(x+2m)*(6+7t-12z)=
(8t-1)^2=

Answer 1

4а-4с
7х-ху
4²-у²
6х+7хt-12xz+12m+14mt-24mz
64t²-16t+1