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solve using perfect square factoring patterns y^2+18y+81=0

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solve using perfect square factoring patterns y^2+18y+81=0

Feb 14th, 2015

we can write it as

(X+9)^2=0

Taking square root both sides

x+9=0

Or x =-9

Feb 14th, 2015

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Feb 14th, 2015
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Feb 14th, 2015
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