Algebra Examples

$- 2 x^{2} + 4 - 7 x^{2} - 4 x + 2 - 2 + 4 x$

Step 1

Combine the opposite terms in $- 2 x^{2} + 4 - 7 x^{2} - 4 x + 2 - 2 + 4 x$ .

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Step 1.1

Subtract $2$ from $2$ .

$- 2 x^{2} + 4 - 7 x^{2} - 4 x + 0 + 4 x$

Step 1.2

Add $- 2 x^{2} + 4 - 7 x^{2} - 4 x$ and $0$ .

$- 2 x^{2} + 4 - 7 x^{2} - 4 x + 4 x$

Step 1.3

Add $- 4 x$ and $4 x$ .

$- 2 x^{2} + 4 - 7 x^{2} + 0$

Step 1.4

Add $- 2 x^{2} + 4 - 7 x^{2}$ and $0$ .

$- 2 x^{2} + 4 - 7 x^{2}$

Step 2

Subtract $7 x^{2}$ from $- 2 x^{2}$ .

$- 9 x^{2} + 4$