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OpenStudy (anonymous):
Write the expression in simplest form, assume that the denominator is not 0
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OpenStudy (anonymous):
OpenStudy (anonymous):
\[\frac{2a^3-16}{2a^2+4a+8}=\frac{\cancel2(a-2)\cancel{(a^2+2a+4)}}{\cancel2\cancel{(a^2+2a+4)}}=a=2\]
OpenStudy (anonymous):
Once you factor the GCF of 2 in the numerator the a^3-8 is factored as a difference of cubes.
OpenStudy (anonymous):
a=2 is supposed to be a-2 (of course)
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