CPM Homework Help : INT2 Problem 2-55

Copy each of the area models below and fill in the missing dimensions and areas. Then write the area as a product equivalent to the area as a sum. Homework Help ✎

$+5$

$15$
$x^2$

$x$
Answer (a):
$x^² + 8x + 15 = (x + 3)(x + 5)$

$10x$
$x$
$2x^2$

$+3$
Answer (b):
$2x^² + 13x + 15 = (2x + 3)(x + 5)$

$+5$		$15$
	$x^2$
	$x$

	$10x$
$x$	$2x^2$
		$+3$