Answer:
4x^2+12x+9 cm ^2
Step-by-step explanation:
S= (2x+3)
A= (2x+3)^2
A= (2x+3) (2x+3)
A= 4x^2+6x+6x+9
A= 4x^2+12x+9 cm^2
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Answer:
4x^2+12x+9 cm ^2
Step-by-step explanation:
S= (2x+3)
A= (2x+3)^2
A= (2x+3) (2x+3)
A= 4x^2+6x+6x+9
A= 4x^2+12x+9 cm^2