Basic Math Examples

$((21 + 6) - 3^{2}) \div 9 \cdot 2$

Step 1

Simplify the numerator.

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Step 1.1

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

$(21 + 6 - 1 \cdot 9) \div 9 \cdot 2$

Step 1.2

Multiply $- 1$ by $9$ .

$(21 + 6 - 9) \div 9 \cdot 2$

Step 1.3

Add $21$ and $6$ .

$(27 - 9) \div 9 \cdot 2$

Step 1.4

Subtract $9$ from $27$ .

$18 \div 9 \cdot 2$

$18 \div 9 \cdot 2$

Step 2

Simplify the expression.

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Step 2.1

Divide $18$ by $9$ .

$2 \cdot 2$

Step 2.2

Multiply $2$ by $2$ .

$4$

$4$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$