Simplifying Complex Fractions | MathHelp.com - By MathHelp.com
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00:0-1 | the common denominator for X X squared X and x | |
00:04 | squared is x squared . So to get rid of | |
00:08 | all of our little fractions , we multiply top and | |
00:12 | bottom of the complex fraction by X square . Yeah | |
00:22 | , yeah , X squared times one over X is | |
00:27 | X an X squared times negative two over X squared | |
00:31 | is negative two . In the denominator , X squared | |
00:35 | times one is x squared X squared times negative 12 | |
00:40 | over X is negative 12 . X and X squared | |
00:45 | times positive 20 over X squared is positive 20 . | |
00:53 | Notice that our denominator factors , so we have x | |
00:57 | minus two Over X -10 times X -2 . So | |
01:07 | our X -2s cancel . And remember that when the | |
01:13 | numerator cancels out entirely , we leave a one in | |
01:18 | the numerator of our answer . So we have One | |
01:25 | Over X -10 . |
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