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Popular >

expand (xy-1)(xy+1)

Solution

expand

(x y - 1) (x y + 1)

Solution

x^{2} y^{2} - 1

Solution steps

(x y - 1) (x y + 1)

Apply Difference of Two Squares

(x y - 1) (x y + 1) : x^{2} y^{2} - 1

= x^{2} y^{2} - 1

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Frequently Asked Questions (FAQ)

What is expand (xy-1)(xy+1) ?
The solution to expand (xy-1)(xy+1) is x^2y^2-1