Evaluate (11^2-10^2)*3

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

Step 1

Simplify each term.

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

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

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

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

Multiply $- 1$ by $100$ .

$(121 - 100) \cdot 3$

$(121 - 100) \cdot 3$

Step 2

Simplify the expression.

Subtract $100$ from $121$ .

$21 \cdot 3$

Multiply $21$ by $3$ .

$63$

$63$

Related Questions