{(x + y) * [(x + y) + (x − y)] − 2xy} : [(− 2) * (− x)^2]
Soluzione: − 1
{(x + y) * [(x + y) + (x − y)] − 2xy} : [(− 2) * (− x)^2]
Soluzione: − 1
{(x + y) * [(x + y) + (x − y)] − 2xy} : [(− 2) * (− x)^2]
Soluzione: − 1
{(x + y) * [2x] − 2xy}:[− 2x^2]
{2x^2}:[− 2x^2] = -1