The length of a side of a square is (2x+3) in. What is the area?

1 Answer
Harshit Tiwari
Mar 22, 2018

#(4x^2+9+12x)#

Explanation:

According to the question, the length of the side of a square is#(2x+3)# in.

#:.# Side =#(2x+3)#

We know that:-
#Area_"square"# = #side^2#

#:.# Area = #(2x+3)^2#

#:.# Area = #((2x)^2+3^2+ 2×2x×3)#

#:.# Area = #(4x^2+9+12x)#

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