CPM Homework Help : INT2 Problem 4-7

Write the area of the rectangle below as a sum and as a product.

$-1x$	$-3y$	$5$
$2x^2$	$6xy$	$-10x$

Step:

Identify the greatest common factor in each row.

Help:

Identify the greatest common factor in each column. Watch your signs.

Answer:

As a product area $= \left(2x − 1\right)\left(x + 3y − 5\right)$
As a sum area $= 2x² − 11x + 6xy − 3y + 5$

$-1$	$-1x$	$-3y$	$5$
$2x$	$2x^2$	$6xy$	$-10x$