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Mathematics 7 Online
OpenStudy (anonymous):

5. Simplify the sun. (7/a+8 )plus (7/a^2-64) Someone please help me work it out I suck at algebra!

OpenStudy (breanneh):

-7 • (8a2 - a - 1) —————————————————— a2

OpenStudy (anonymous):

1st step: Notice that the a^2 - 64 factors into (a + 8)(a-8) So you'll want to multiply the first fraction by (a-8) / (a - 8) to get a common denominator |dw:1391617974267:dw|

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