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Mekhanik [1.2K]
3 years ago
14

The simplest form of the expression 4m-17/m^2-16 + 3m-11/m^2-16 has ____in the numerator and___ in the denominator.

Mathematics
1 answer:
lara31 [8.8K]3 years ago
3 0
For this case we have the following expression:
 \frac{4m-17}{m^2-16} + \frac{3m-11}{m^2-16}
 Since the denominator is equal, then we can add the numerator.
 We have then:
 \frac{(4m-17) + (3m-11)}{m^2-16}
 Adding similar terms we have:
 \frac{(4m+3m) + (-17-11)}{m^2-16}
 Rewriting we have:
 \frac{7m - 28}{m^2-16}
 Doing common factor in the numerator we have:
 \frac{7(m - 4)}{m^2-16}
 Factoring the denominator we have:
 \frac{7(m - 4)}{(m-4)(m+4)}
 Canceling similar terms we have:
 \frac{7}{m+4}
 Answer:
 
The simplest form of the expression has 7 in the numerator and m+4 in the denominator.
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