# How do you simplify 5^2- 8 ÷ 2 using order of operations?

May 22, 2018

${5}^{2} - 8 \div 2 = \textcolor{b l u e}{21}$

#### Explanation:

Follow the order of operations as indicated by the acronym PEMDAS:

Parentheses/brackets
Multiplication and Addition in order from left to right.
Addition and Subtraction in order from left to right.

${5}^{2} - 8 \div 2$

Simplify ${5}^{2}$ to $25$.

$25 - 8 \div 2$

Simplify $8 \div 2$ to $4$.

$25 - 4$

Simplify $25 - 4$.

$21$