SOLUTION: Find the LCD of
7 8
----------- ---,------
a^2 + 2a - 63 a+9
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Question 69220: Find the LCD of
7 8
---------------,------
a^2 + 2a - 63 a+9
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
a^2+2a-63=(a-7)(a+9) thus the common denominator is (a-7)(a+9):
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