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  • 4 years ago

subtract m^2-3mn+2n^2from the sumof 3m^2-5n^2 and 2m^2+3mn-7n^2

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  1. jimmyrep
    • 4 years ago
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    sum = 5m^2+ 3mn - 12n^2 subtracting: 4m^2 + 6mn -14n^2

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