Math, asked by rekhabindal201185, 5 months ago

(b) -m² + 6mn from 4m2 - 2mn + 7
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Answered by s1287sujata13385

1

Answer:

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Answered by gurupalsr15

0

Answer:

=5m²-8mn+7

Step-by-step explanation:

-m²+6mn from 4m²-2mn+7

=4m²-2mn+7 -(-m²+6mn)

=4m²-2mn+7+m²-6mn

=4m²+m²-2mn-6mn+7

=5m²-8mn+7

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