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OpenStudy (anonymous):
hi guys I have an equation to factor completely 9b^2+12b+4
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OpenStudy (asnaseer):
\[(3b+2)^2=9b^2+12b+4\]
OpenStudy (anonymous):
huh? how did y ou do that so fast IM jealous. I could never ever have gotten that i tried like a m illion combos
OpenStudy (asnaseer):
:) I first spotted the \(9b^2+12b\) to give me the hint at how to factorise. i.e. \(9b^2=(3b)^2\)
OpenStudy (anonymous):
ok
OpenStudy (asnaseer):
it just takes practice - you'll get there
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OpenStudy (anonymous):
lol thanks
OpenStudy (asnaseer):
yw
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