Algebra Examples

$(3 x^{3} - 7 - 9 x^{2}) + (10 - 3 x^{2} - x + x^{3})$

Step 1

Remove parentheses.

$3 x^{3} - 7 - 9 x^{2} + 10 - 3 x^{2} - x + x^{3}$

Step 2

Add $3 x^{3}$ and $x^{3}$ .

$4 x^{3} - 7 - 9 x^{2} + 10 - 3 x^{2} - x$

Step 3

Add $- 7$ and $10$ .

$4 x^{3} - 9 x^{2} + 3 - 3 x^{2} - x$

Step 4

Subtract $3 x^{2}$ from $- 9 x^{2}$ .

$4 x^{3} - 12 x^{2} + 3 - x$

Step 5

Move $3$ .

$4 x^{3} - 12 x^{2} - x + 3$