SOLUTION: add (5m²n+3mn-6mn²) to the difference of (7m²n-2mn²) and (-m²n+9mn²)
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Question 1188645: add (5m²n+3mn-6mn²) to the difference of (7m²n-2mn²) and (-m²n+9mn²)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
the difference of and is
add () to it
=
so,
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