Pre-Algebra Examples

(3 x^{2} + 3) + (3 x^{2} + x + 4)

$(3 x^{2} + 3) + (3 x^{2} + x + 4)$

Step 1

Remove parentheses.

3 x^{2} + 3 + 3 x^{2} + x + 4

$3 x^{2} + 3 + 3 x^{2} + x + 4$

Step 2

Add

3 x^{2}

$3 x^{2}$ and

3 x^{2}

$3 x^{2}$ .

6 x^{2} + 3 + x + 4

$6 x^{2} + 3 + x + 4$

Step 3

Add

3

$3$ and

4

$4$ .

6 x^{2} + x + 7

$6 x^{2} + x + 7$

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

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