CPM Homework Help : INT1 Problem 4-27

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4-27.

For each area model, fill in the missing parts. Write an equation showing that the area as a sum equals the area as a product.

generic rectangle
top edge middle $+3$
interior left $xy$
interior middle blank
interterior left $y^2$
bottom edge left $x$

Hint (a):
The product of the dimensions of the rectangle is equal to the area.
Answer (a):
$y(x + 3 + y) = xy + 3y + y^2$

generic rectangle
interior right top $x^2$
interior left top blank
interior left bottom $8x$
interior right bottom blank
bottom edge left blank
bottom edge right $+3$
Hint (b):
Follow the same step as (a).

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