Math, asked by laxmidevibhimtal, 15 days ago

add m²-2mn + n²+3mn + 5m² + -7n²+2mn

Answers

Answered by s1269priyanshu2726

1

Answer:

3(2m² - 2n² + m + mn)

Step-by-step explanation:

5m²– 5n²+ 3m – 3mn + m²– n²+ 8mn – 2mn

=6m²- 6n²+ 3m + 3mn = 0

=3(2m² - 2n² + m + mn)

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