### Home > MC2 > Chapter 4 > Lesson 4.3.2 > Problem4-90

4-90.

Simplify the following expressions using the order of operations.

1. $7 · 8 - 4(6 - 2) + 18$

Evaluate by simplifying the terms in parentheses first.

Simplify the terms that are multiplied or divided.

Combine the numbers that are added or subtracted.

$58$

1. $6^2 (8 · 3) + 2^2 (7 · 3)$

See part (a).

1. $\frac { 14 } { 2 } - 3 ( 8 - 6 ) + 7 ^ { 2 }$

See (a).

$50$

1. $- 9 - 3 ( 7 - 2 ) + \frac { 24 } { 3 }$

See part (a).