Algebra Examples

$(11^{2} - 10^{2}) \cdot 3$

Step 1

Simplify each term.

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Step 1.1

Raise $11$ to the power of $2$ .

$(121 - 10^{2}) \cdot 3$

Step 1.2

Raise $10$ to the power of $2$ .

$(121 - 1 \cdot 100) \cdot 3$

Step 1.3

Multiply $- 1$ by $100$ .

$(121 - 100) \cdot 3$

$(121 - 100) \cdot 3$

Step 2

Simplify the expression.

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Step 2.1

Subtract $100$ from $121$ .

$21 \cdot 3$

Step 2.2

Multiply $21$ by $3$ .

$63$

$63$

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