SOLUTION: add rational expression with common denomiation
-8z-2u/-7z - 9z-9u/7z
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Question 92000: add rational expression with common denomiation
-8z-2u/-7z - 9z-9u/7z
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-8z-2u/-7z - 9z-9u/7z
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Multiply numerator and denominator of the 1st fraction by -1 to get:
= (8z+2u)/7z - (9z-9u)/7z
The denominators are the same to combine the numerators to get:
=[8z+2y-9z+9u]/7z
=[-z + 11u]/7z
====================
Cheers,
Stan H.
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