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Plz help, I don't get it
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Plz help, I don't get it

Plz help, I don't get it-example-1
User Swaechter
by
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1 Answer

1 vote


Explanation:


(a+b)^(2) =a^(2) +2ab+b^(2)

e.g.


(x+9)^(2) =x^2+2(x)(9)+81


(x+9)^(2) =x^2+18x+81


User Slapthelownote
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