SOLUTION: would someone have time to help me with this problem?
the directions are as follows: subtract, write answer in lowest terms:
_____9x__-__5_
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Question 163960: would someone have time to help me with this problem?
the directions are as follows: subtract, write answer in lowest terms:
_____9x__-__5_
x2-49 7-x
in words it would be 9x over x2-49 minus 5 over 7-x
thank you
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
subtract, write answer in lowest terms:
in words it would be 9x over x2-49 minus 5 over 7-x
:
-
:
Note that (x^2-49) is the "difference of squares, factor:
Change the signs in (7-x) multiply by -1
-
Which is:
+
:
The common denominator
= = =
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