CPM Homework Help : CC1 Problem 7-122

Rewrite each expression below using the Distributive Property.

Hint:

Use the Distributive Property to multiply each term inside the parentheses by the constant outside the parentheses.

$5(2x + 1)$
Step 1 (a):
$5(2x + 1) =$ $5(2x)+5(1)$
Step 2 (a):
$5(2x)+5(1) \\ = 10x + 5$

Hint (b):

Your answer should also have a negative sign.