Algebra Examples

$\sqrt{2^{3} - 7} + | - 4 |$

Step 1

Simplify each term.

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Step 1.1

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

$\sqrt{8 - 7} + | - 4 |$

Step 1.2

Subtract $7$ from $8$ .

$\sqrt{1} + | - 4 |$

Step 1.3

Any root of $1$ is $1$ .

$1 + | - 4 |$

Step 1.4

The absolute value is the distance between a number and zero. The distance between $- 4$ and $0$ is $4$ .

$1 + 4$

Step 2

Add $1$ and $4$ .

$5$