Pre-Algebra Examples

$8^{2} - 7^{2}$

Step 1

Simplify each term.

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Step 1.1

Raise $8$ to the power of $2$ .

$64 - 7^{2}$

Step 1.2

Raise $7$ to the power of $2$ .

$64 - 1 \cdot 49$

Step 1.3

Multiply $- 1$ by $49$ .

$64 - 49$

$64 - 49$

Step 2

Subtract $49$ from $64$ .

$15$

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