alisa845
Factor completely.
200w^2 + 640wf +512f^2=



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abdul_shabeer
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\[(a+b)^2=a^2+2ab+b^2\]

alisa845
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Is that the formula to use?

abdul_shabeer
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200w^2 + 640wf +512f^2 is of the form a^2+2ab+b^2

abdul_shabeer
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Understood?

alisa845
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Yes

abdul_shabeer
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What answer do you get?

alisa845
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I'm confused

abdul_shabeer
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First represent 200w^2 as a^2

abdul_shabeer
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200 can be written as 2*100
Find the square root of 200w^2

alisa845
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Square root is 100 right?

abdul_shabeer
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What is the sqrt of 100?

alisa845
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10

alisa845
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10

abdul_shabeer
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What is the square root of 2*100?