Pre-Algebra Examples

$2 x^{2} - x$ and $- x - 2 x^{2} - 2$

Step 1

Add the expressions.

$2 x^{2} - x - x - 2 x^{2} - 2$

Step 2

Combine the opposite terms in $2 x^{2} - x - x - 2 x^{2} - 2$ .

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Step 2.1

Subtract $2 x^{2}$ from $2 x^{2}$ .

$- x - x + 0 - 2$

Step 2.2

Add $- x - x$ and $0$ .

$- x - x - 2$

Step 3

Subtract $x$ from $- x$ .

$- 2 x - 2$