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OpenStudy (anonymous):
(m-3n+1)-(3m-3n) just need the answer to make sure
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OpenStudy (blurbendy):
distribute the - sign to (3m -3n) m - 3n + 1 -3m + 3n = 2m + 1
OpenStudy (blurbendy):
- 2m + 1 sorry
OpenStudy (anonymous):
(-a^2+9ab-b^2)-(5a^2+ab) ?@blurbendy
OpenStudy (blurbendy):
(-a^2 + 9ab -b^2) -5a^2 - ab = -4a^2 + 8ab - b^2
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