Basic Math Examples

$3^{2} - 8 \div 2^{2} \cdot 4 - 9$

Step 1

Simplify each term.

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Step 1.1

Raise $3$ to the power of $2$ .

$9 - 8 \div 2^{2} \cdot 4 - 9$

Step 1.2

Raise $2$ to the power of $2$ .

$9 - 8 \div 4 \cdot 4 - 9$

Step 1.3

Cancel the common factor of $4$ .

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Step 1.3.1

Move the leading negative in $- 8 \div 4$ into the numerator.

$9 + - 8 \div 4 \cdot 4 - 9$

Step 1.3.2

Cancel the common factor.

$9 + - 8 \div 4 \cdot 4 - 9$

Step 1.3.3

Rewrite the expression.

$9 - 8 - 9$

Step 2

Simplify by subtracting numbers.

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Step 2.1

Subtract $8$ from $9$ .

$1 - 9$

Step 2.2

Subtract $9$ from $1$ .

$- 8$