Pre-Algebra Examples

$(12 x - 1 + 2 x^{2}) + (x^{2} + 4)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$12 x - 1 + 2 x^{2} + x^{2} + 4$

Step 1.2

Add $- 1$ and $4$ .

$12 x + 2 x^{2} + x^{2} + 3$

$12 x + 2 x^{2} + x^{2} + 3$

Step 2

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

$12 x + 3 x^{2} + 3$

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