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Popular >

simplify 9-(m+n)^2

Solution

simplify

9 - (m + n)^{2}

Solution

9 - m^{2} - 2 mn - n^{2}

Solution steps

9 - (m + n)^{2}

(m + n)^{2} : m^{2} + 2 mn + n^{2}

= 9 - (m^{2} + 2 mn + n^{2})

- (m^{2} + 2 mn + n^{2}) : - m^{2} - 2 mn - n^{2}

= 9 - m^{2} - 2 mn - n^{2}

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Frequently Asked Questions (FAQ)

What is 9-(m+n)^2 ?
The solution to 9-(m+n)^2 is 9-m^2-2mn-n^2