Pre-Algebra Examples

$(2 t^{3} - 7 t^{2} + 8) + (4 t^{3} - 2 t - 1)$

Step 1

Remove parentheses.

$2 t^{3} - 7 t^{2} + 8 + 4 t^{3} - 2 t - 1$

Step 2

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

$6 t^{3} - 7 t^{2} + 8 - 2 t - 1$

Step 3

Subtract $1$ from $8$ .

$6 t^{3} - 7 t^{2} - 2 t + 7$

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