CPM Homework Help : MC2 Problem 4-57

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Home > MC2 > Chapter 4 > Lesson 4.2.3 > Problem 4-57

4-57.

Simplify the expressions below.

$7 · 2 + 4 - 2(7 + 3)$
Hint 1 (a):
Evaluate using the order of operations.
Hint 2 (a):
Simplify the terms in parenthesis first.
Hint 3 (a):
Simplify the terms that are multiplied or divided.
Hint 4 (a):
Combine the terms that are added or subtracted.
Answer (a):
$−2$

$6 · 2 + 3 · 4 - 8$
Hint (b):
See (a).
Answer (b):
$16$

$3^2 + 5(1 - 3) + 4 · 5 + 1$
Hint (c):
See (a).
Remember, exponents should be simplified along with the terms that are multiplied or divided.

$(8 - 12) + 10 · 3$
Hint (d):
See (a).

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