Solve (2x - y)^2 - 4x^2 - y^2

Evaluate

(2 x - y)^{2} - 4 x^{2} - y^{2}

Expand the expression

4 x^{2} - 4 x y + y^{2} - 4 x^{2} - y^{2}

The sum of two opposites equals 0

More Steps

0 - 4 x y + y^{2} - y^{2}

Remove 0

- 4 x y + y^{2} - y^{2}

The sum of two opposites equals 0

More Steps

- 4 x y + 0

Solution

- 4 x y

Simplify the expression