Question

SIMPLIFY:(x-2y)square+(2x-y)square

Answer 1

It's
$x {}^{2} + 4y {}^{2} - 4xy + 4x {}^{2} + y {}^{2} - 4xy \\ solving \: we \: get \\ 2x {}^{2} + 8 {}^{2} - 8xy$

Answer 2

Solutionto your question ... Only the rectangle part