Pre-Algebra Examples

$(x^{2} + 2 x + 3) + (3 x^{2} + x + 1)$

Step 1

Remove parentheses.

$x^{2} + 2 x + 3 + 3 x^{2} + x + 1$

Step 2

Add $x^{2}$ and $3 x^{2}$ .

$4 x^{2} + 2 x + 3 + x + 1$

Step 3

Add $2 x$ and $x$ .

$4 x^{2} + 3 x + 3 + 1$

Step 4

Add $3$ and $1$ .

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

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