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Find the area of a rectangle with pictures
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Find the area of a rectangle with pictures

User Broxzier
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1 Answer

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area is


\begin{gathered} A=lw \\ A=(3x+9)(2x+1) \\ A=6x^2+3x+18x+9 \\ A=6x^2+21x+9 \end{gathered}

User Mukama
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