Math, asked by ultrainstinctgogeta, 1 year ago

subtract 5m2-3mn+n2 from 7m2+mn-4n2

Answers

Answered by Subham200813

12

Answer:

(7m² + mn - 4n²) - (5m² - 3mn + n²)

Open the brackets →

=> 7m² + mn - 4n² - 5m² + 3mn - n²

Collect the like terms →

=> 7m² - 5m² + mn + 3mn - n² - 4n²

=> 2m² + 4mn - 5n²

Hope it helps you !!

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