(a+2)^2=? (b-3)^2=? (5+x)^2

Question

(a+2)^2=? (b-3)^2=? (5+x)^2

Answer 1

(a+2)^2=а²+4а+4
(a-b)^2=a^2-2ab+b^2
(5+x)^2=25+10x+x²

Comments

Не то решил

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(b-3)^2

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нужно было