CPM Homework Help : CC2MN Problem 10-61

CPM Homework Banner

Home > CC2MN > Chapter 10 > Lesson 10.2.3 > Problem 10-61

10-61.

Simplify these expressions.

$(x+3.5)2$
Answer (a):
$2x+7$

$23+5x-(7+2.5x)$
Hint (b):
Distribute the subtraction sign to the terms inside the parentheses, and then combine like terms. See part (c) for a worked example.

$3x+4.4-2(6.6+x)$
Step 1 (c):
$3x+4.4-2(6.6+x)$
Step 2 (c):
Remember to distribute the negative inside the parentheses.
$3x+4.4-13.2-2x$
Step 3 (c):
Combine like terms by adding or subtracting the constants.
Answer (c):
$x-8.8$

© 2022 CPM Educational Program. All rights reserved.