Pre-Algebra Examples

$4 x - 6 x^{2} + 9 x + x^{3} - 7 x + 11 x^{2}$

Step 1

Add $4 x$ and $9 x$ .

$- 6 x^{2} + 13 x + x^{3} - 7 x + 11 x^{2}$

Step 2

Add $- 6 x^{2}$ and $11 x^{2}$ .

$5 x^{2} + 13 x + x^{3} - 7 x$

Step 3

Subtract $7 x$ from $13 x$ .

$5 x^{2} + x^{3} + 6 x$

Step 4

Reorder $5 x^{2}$ and $x^{3}$ .

$x^{3} + 5 x^{2} + 6 x$

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