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OpenStudy (anonymous):
solve 21a-14a^2 divided by 9a^2+6a+1 times 6a^2+11a+3 divided by 4a^2-9
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OpenStudy (anonymous):
\[[21a-14a^2 / (9a^2+6a+1)] \times [6a^2+11a+3 / ( 4a^2-9)]\] -7a(2a - 3) / (3a+1)(3a+1) times (3a + 1)(2a + 3) / (2a -3)(2a +3) then multiplying we eliminate (2a - 3) and (3a+1) -7a / (3a+1) times (2a + 3) / (2a +3) now we eliminate (3a+1) finally we get -7a / (3a+1)
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