SOLUTION: subtract the expressions with unlike denominators as indicated
z/8z-64 - z-7/z-8
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Question 212947: subtract the expressions with unlike denominators as indicated
z/8z-64 - z-7/z-8
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Subtract:
Factor an 8 from the denominator of the first fraction.
Now multiply the second fraction by so that the fractions will have a common denominator.
Simplify the numerators and subtract the fractions.
Simplifying the numerator, we get:
Factor a -7 from the numerator.
Cancel the (z-8)'s as indicated to leave you with:
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