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Type your math problem... (x-y) (y-x)

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Question

Simplify the expression

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

Evaluate

(x - y) (y - x)

Multiply the terms

- (x - y)^{2}

Use (a - b)^{2} = a^{2} - 2 ab + b^{2} to expand the expression

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

Solution

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

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