Basic Math Examples

21 {(3)}^{2} - 26 \cdot 3 - 15

$21 {(3)}^{2} - 26 \cdot 3 - 15$

Step 1

Simplify each term.

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Step 1.1

Raise

3

$3$ to the power of

2

$2$ .

21 \cdot 9 - 26 \cdot 3 - 15

$21 \cdot 9 - 26 \cdot 3 - 15$

Step 1.2

Multiply

21

$21$ by

9

$9$ .

189 - 26 \cdot 3 - 15

$189 - 26 \cdot 3 - 15$

Step 1.3

Multiply

- 26

$- 26$ by

3

$3$ .

189 - 78 - 15

$189 - 78 - 15$

189 - 78 - 15

$189 - 78 - 15$

Step 2

Simplify by subtracting numbers.

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Step 2.1

Subtract

78

$78$ from

189

$189$ .

111 - 15

$111 - 15$

Step 2.2

Subtract

15

$15$ from

111

$111$ .

96

$96$

96

$96$

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

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