Subtract 23m^2+11mn from 40m^2-mn
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Answer:
m² - mn + 4m - n - 4
Step-by-step explanation:
-m² + 2mn - 2m + n - (mn +2m -4)
= -m² + 2mn - 2m + n - mn - 2m + 4
= - m² + mn - 4m + n + 4
= m² - mn + 4m
-step explation:
Hope it helps you:)
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