Need help with compound fractions. Please answer both

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asked Jul 7, 2018 32.1k views

3 votes

Need help with compound fractions. Please answer both

$Need help with compound fractions. Please answer both-example-1$

$Need help with compound fractions. Please answer both-example-2$

Mathematics
high-school

Jeroen Flamman asked

by Jeroen Flamman

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1 Answer

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$(8*( (c)/(c) )- (3)/(c) )/(2*( (7c)/(7c))+ (3)/(7c) ) \\ \\ ( (8c-3)/(c) )/( (14c+3)/(7c) ) \\ \\ (8c-3)/(c) * (7c)/(14c+3) \\ \\ = (56c-21)/(14c+3)$

Domain restrictions are what x values make the denominator zero.
a² + 5a - 36 = (a + 9)(a - 4)
a ≠ -9 ; a ≠ 4

Taras Kohut answered Jul 12, 2018

by Taras Kohut

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