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How much greater than m^2+3mn−n^2 is 4m^2+5mn+6n^2?
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How much greater than m^2+3mn−n^2 is 4m^2+5mn+6n^2?

User Hungry Beast
by
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1 Answer

3 votes

Answer:

3m² + 2mn + 7n²

Explanation:

subtract m² + 3mn - n² from 4m² + 5mn + 6n², that is

4m² +5mn + 6n² - (m² + 3mn - n² )

= 4m² + 5mn + 6n² - m² - 3mn + n² ← collect like terms

= 3m² + 2mn + 7n²


User KaptajnKold
by
5.2k points
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