1 Answer

Blackeyebeefhorsefly · Answer 1 · 2019-11-13T21:26:30+0000

$\text {Volume = } (5)/(2x + 8) * (x+4)/(4) * (12)/(x)$

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Take out (x + 4) as a common factor :
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$\text {Volume = } (5)/(2(x + 4)) * (x+4)/(4) * (12)/(x)$

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Cross out (x + 4) :
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$\text {Volume = } (5)/(2) * (1)/(4) * (12)/(x)$

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Rewrite 12 as 4 x 3 :
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$\text {Volume = } (5)/(2) * (1)/(4) * (4 * 3)/(x)$

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Cross out 4 :
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$\text {Volume = } (5)/(2) * ( 3)/(x)$

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Combine into single fraction:
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$\text {Volume = } (15)/(2x)$

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