Confusing factoring out problem – Khan Academy Help Center - Dutch (BETA)

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Gordon Chiew

5 mei 2021 07:51

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Why does factoring out (5/2)^x gives us (5/2)^x(1+125/8). This step is shown below, please answer i am very frustrated

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AD Baker

5 mei 2021 11:27
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The line above that is the same as

(1 * (5/2)^x ) + (125/8 * (5/2)^x)

if you factor out (5/2)^x from each expression, you get

(1 + 125/8) * (5/2/^x

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