Click to practice finding area as a sum and as a product.The rectangle to the left is :
(x + 1) (y + 2) ➫ area as a product
xy + 2x + y + 2 ➫ area as a sum
so.....
(x + 1) (y + 2) = xy + 2x + y + 2
Click to practice finding area as a sum and as a product.
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"The whole of science is nothing more than a refinement of everyday thinking." ~ Albert Einstein
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