Algebra Examples

$4 n^{2} + 3 n + (2 n^{3} - 4) + (3 n^{2} - 2 n)$

Step 1

Remove parentheses.

$4 n^{2} + 3 n + 2 n^{3} - 4 + 3 n^{2} - 2 n$

Step 2

Add $4 n^{2}$ and $3 n^{2}$ .

$7 n^{2} + 3 n + 2 n^{3} - 4 - 2 n$

Step 3

Subtract $2 n$ from $3 n$ .

$7 n^{2} + n + 2 n^{3} - 4$

Step 4

Simplify the expression.

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Step 4.1

Move $n$ .

$7 n^{2} + 2 n^{3} + n - 4$

Step 4.2

Reorder $7 n^{2}$ and $2 n^{3}$ .

$2 n^{3} + 7 n^{2} + n - 4$

$2 n^{3} + 7 n^{2} + n - 4$

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