Algebra Examples

$9 + 7 \cdot (15 + 3) \div 3^{2}$

Step 1

Simplify the expression.

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Step 1.1

Add $15$ and $3$ .

$9 + 7 \cdot 18 \div 3^{2}$

Step 1.2

Multiply $7$ by $18$ .

$9 + 126 \div 3^{2}$

$9 + 126 \div 3^{2}$

Step 2

Simplify each term.

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Step 2.1

Rewrite the division as a fraction.

$9 + \frac{126}{3^{2}}$

Step 2.2

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

$9 + \frac{126}{9}$

Step 2.3

Divide $126$ by $9$ .

$9 + 14$

$9 + 14$

Step 3

Add $9$ and $14$ .

$23$

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