CPM Homework Help : CC3MN Problem 8-10

Use the Distributive Property to rewrite each of the following expressions as a product. This process of rewriting a sum as a product is also called factoring. It is called factoring because you are writing the expression as multiplication of factors.

$4x + 8$
Hint (a):
What value can you factor out of this expression?
More Help (a):
Factor out a $4$ and rewrite the expression.
Answer (a):
$4\left(x + 2\right)$

$−45 − 5x$
Hint (b):
See part (a).
Answer (b):
$−5\left(9 + x\right)$

$7x − 21$
Hint (c):
See part (a).