Pre-Algebra Examples

$3 a^{3} + 8 a - 6$ and $4 a^{2} - 9 a + 11$

Step 1

Add the expressions.

$3 a^{3} + 8 a - 6 + 4 a^{2} - 9 a + 11$

Step 2

Subtract $9 a$ from $8 a$ .

$3 a^{3} - a - 6 + 4 a^{2} + 11$

Step 3

Simplify the expression.

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Step 3.1

Add $- 6$ and $11$ .

$3 a^{3} - a + 4 a^{2} + 5$

Step 3.2

Move $- a$ .

$3 a^{3} + 4 a^{2} - a + 5$

$3 a^{3} + 4 a^{2} - a + 5$

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