Pre-Algebra Examples

$(3 t^{2} - 5 t + 6) + (- 8 t^{2} + 7 t - 9)$

Step 1

Remove parentheses.

$3 t^{2} - 5 t + 6 - 8 t^{2} + 7 t - 9$

Step 2

Subtract $8 t^{2}$ from $3 t^{2}$ .

$- 5 t^{2} - 5 t + 6 + 7 t - 9$

Step 3

Add $- 5 t$ and $7 t$ .

$- 5 t^{2} + 2 t + 6 - 9$

Step 4

Subtract $9$ from $6$ .

$- 5 t^{2} + 2 t - 3$

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