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Popular >

expand (x-y)^2-9

Solution

expand

(x - y)^{2} - 9

Solution

x^{2} - 2 x y + y^{2} - 9

Solution steps

(x - y)^{2} - 9

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

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

= x^{2} - 2 x y + y^{2} - 9

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Frequently Asked Questions (FAQ)

What is expand (x-y)^2-9 ?
The solution to expand (x-y)^2-9 is x^2-2xy+y^2-9