melissa1094
r^2d^2 factor completely.



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jhonyy9
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@melissa1094 so do you know formula of difference of two squares ?

melissa1094
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no i dont /:

jhonyy9
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so can you tell me what is equal (ab)(a+b) = ?

melissa1094
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would it be (a+b)^2

jhonyy9
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why ?
(a+b)^2 =(a+b)(a+b)
right ?
but there i have wrote (a+b98ab)
yes ? so than ?

jhonyy9
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sorry there i have wrote (a+b)(ab)

melissa1094
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so it wouldnt be (a+b)^2? all i know is that it has something to do with special product rules.

jhonyy9
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ok so you know that
r*rd*d=(rd)(r+d)=r^2 +rd rd d^2 =r^2 d^2

jhonyy9
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ok ?

AEB047
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(r+d)(rd)