Yesterday, Janie walked 3/5 mile to a friend’s house, 1/4 mile to the store, and 3/8 mile to another friend’s house. Which is th
e best estimate of the distance Janie walked?
1 answer:
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9514 1404 393
Answer:
- common denominator: (x² -4)
- simplified complex fraction: (2x +1)/(9 -2x)
Step-by-step explanation:
It is helpful to remember the factoring of the difference of squares:
a² -b² = (a -b)(a +b)
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Your denominator of (x² -4) factors as (x -2)(x +2). You will note that one of these factors is the same as the denominator in the other fraction.
It looks like you want to simplify ...