SOLUTION: Subtract 2/9t^8-1/6t^7

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Question 889319: Subtract 2/9t^8-1/6t^7
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!



Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Subtract 2/9t^8-1/6t^7
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Find a common denominator.
The product always works: 9t^8*6t^7 = 54t^15
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= 6t^7/DEN - 9t^8/DEN
= (12t^7 - 9t^8)/54t^15
= 3t^7*(4 - 3t)/54t^15
=

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