Examples

$x^{3} + 3 x + 3$ , $- x^{3} - 3$

Step 1

Add the expressions.

$x^{3} + 3 x + 3 - x^{3} - 3$

Step 2

Combine the opposite terms in $x^{3} + 3 x + 3 - x^{3} - 3$ .

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Step 2.1

Subtract $x^{3}$ from $x^{3}$ .

$3 x + 3 + 0 - 3$

Step 2.2

Add $3 x + 3$ and $0$ .

$3 x + 3 - 3$

Step 2.3

Subtract $3$ from $3$ .

$3 x + 0$

Step 2.4

Add $3 x$ and $0$ .

$3 x$

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