Description

Show a rectangle with sides labeled (x+3) and (x+2). 'What's the area?' Break into 4 smaller rectangles: x·x=x², x·2=2x, 3·x=3x, 3·2=6. Total area = x²+5x+6. The student clicks each sub-rectangle to see its area contribution. This visual model makes polynomial multiplication concrete before the alge

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