SOLUTION: What are the restrictions for a? (2a^2+a-15)/(5a^2+16a+3)

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Question 702040: What are the restrictions for a?
(2a^2+a-15)/(5a^2+16a+3)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What are the restrictions for a?
(2a^2+a-15)/(5a^2+16a+3)
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Factor:
[(2a^2+6a-5a-15)] / [5a^2+15a+a+3]
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= [2a(a+3)-5(a+3)] / [5a(a+3)+(a+3)]
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= [(a+3)(2a-5)] / [(a+3)(5a+1)]
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a cannot be -3 ; a cannot be 5/2 ; a cannot be -1/5
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Cheers,
Stan H.
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