Question

expand (2x+3y+5)square​

Answer 1

(2x+3y+5) sq.

by using identity (a+b+c) sq.= a^2+b^2+c^2 +2(ab+bc+ca)

4x^2+9y^2+25+12xy+30y+20x

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Answer 2

Step-by-step explanation:

(2x+3y+5)²

=4x²+9y²+25+12xy+30y+20x

as (a+b+c)²=a²+b²+c²+2ab+2bc+2ac

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