Pre-Algebra Examples

$12 x^{2} + 3 x + 6$ and $- 7 x^{2} - 4 x - 2$

Step 1

Add the expressions.

$12 x^{2} + 3 x + 6 - 7 x^{2} - 4 x - 2$

Step 2

Subtract $7 x^{2}$ from $12 x^{2}$ .

$5 x^{2} + 3 x + 6 - 4 x - 2$

Step 3

Subtract $4 x$ from $3 x$ .

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

Step 4

Subtract $2$ from $6$ .

$5 x^{2} - x + 4$

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