### Home > MC2 > Chapter 4 > Lesson 4.2.3 > Problem4-57

4-57.

Simplify the expressions below.

1. $7 · 2 + 4 - 2(7 + 3)$

Evaluate using the order of operations.

Simplify the terms in parenthesis first.

Simplify the terms that are multiplied or divided.

Combine the terms that are added or subtracted.

$−2$

1. $6 · 2 + 3 · 4 - 8$

See (a).

$16$

1. $3^2 + 5(1 - 3) + 4 · 5 + 1$

See (a).
Remember, exponents should be simplified along with the terms that are multiplied or divided.

1. $(8 - 12) + 10 · 3$

See (a).