Question

find the area of a square whose side is (2x+1)cm.


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Answer 1

Answer:

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Answer 2

Answer:

4x^2 + 4x + 1

Step-by-step explanation

The formula for area of a square/rectangle is: b*h (aka base*height)

b = 2x+1

h = 2x+1

b*h

(2x+1)(2x+1)      ---- substitute variables for their values

4x^2 + 4x + 1    ---- expand