Question

Subtract 5m²-4n²-4mn from 5m²+3n²-2mn.​

Answer 1

Answer:

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Step-by-step explanation:

$7n {}^{2} + 2mn$

Answer 2

Answer:

5m² + 3n² - 2mn

5m² - 4n² - 4mn

(-) (+) (+)

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7n² + 2mn

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Answer is 7n² + 2mn