Simplify the following expressions: 4m^2-7n^2+5mn+3n^2+5m^2-2mn+6mn-2n^2+3m^2
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Answered by
1
Step-by-step explanation:
(4+5+3)m²+(5-2+6)mn+(-7+3-2)n²
=12m²+9mn-6n²
=3(4m²+3mn-2n²)
Answered by
0
Answer:
=(12m^2)-(6n^2)+(9nm)
=3[4m^-2n^2+3nm]
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