SOLUTION: how would i do this? Simplify the following fractions by putting them in lowest terms or by performing the indicated operations
81-x to the 4th over 3-x divided by 9+x2 over 9 =
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Question 146834: how would i do this? Simplify the following fractions by putting them in lowest terms or by performing the indicated operations
81-x to the 4th over 3-x divided by 9+x2 over 9 =
Answer by mangopeeler07(462) (Show Source): You can put this solution on YOUR website!
Start with divided by .
Find the common denominator, which would be 9(3-x). Manipulate the fractions and get divided by .
Then eliminate the denominators from the equation. Get divided by .
Factor all of the expressions. The expression factors into . Then factors to . So the numerator becomes while the denominator remains . So it looks like: .
Now just cancel out like terms in the numerator and the denominator, which would be and . Then you are left with . or . You can stop there if you want to. Going further is not necessary, but if you want to anyway, read on.
It is very easy from here. Just distribute the 9 to both terms and get or simply .
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