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What is the area of a square if its side is (2x + 3)cm ?
a. (2x2 + 12x + 9)cm2
b. (2x2 + 6x + 9)cm2
c. (4x2 + 6x + 9)cm2
d. (4x2 + 12x + 9)cm2


Sagot :

Answer:

The answer is letter C

Step-by-step explanation:

(2x+3)cm

={(2)²x² + (3)²}cm

={4x²+((2x)x3) 9}cm²

=(4x²+6x+9)cm²

I don't know if that's correct.

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