Algebra Examples

- \sqrt{49}

$- \sqrt{49}$

Step 1

Rewrite

49

$49$ as

7^{2}

$7^{2}$ .

- \sqrt{7^{2}}

$- \sqrt{7^{2}}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

- 1 \cdot 7

$- 1 \cdot 7$

Step 3

Multiply

- 1

$- 1$ by

7

$7$ .

- 7

$- 7$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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