CPM Homework Help : MC2 Problem 5-34

Sketch each collection of tiles below. Name the collection using a simpler algebraic expression, if possible. If it is not possible to simplify the expression, explain why not. .

$(–x) + 7 + 4x + x + (–3) + (–3x)$
Seven plus three times a number, plus three minus three times the number.
Two groups of a number plus three.
$7 + 4x^2 + 5x$
$x^2 + x^2 + (–5) + 2$

Explore the problem with the eTool below.
Click the link at right for the full version of the eTool: MC2 5-34 HW eTool