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Plz help, I don't get it

Plz help, I don't get it
asked 79.7k views
2 votes
Plz help, I don't get it

Plz help, I don't get it-example-1
asked
User Swaechter
by
8.4k points

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


answered
User Slapthelownote
by
7.8k points
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