Algebra Examples

$2 x^{2} + 7 + 6 x - 1 - 7 x - 6 x^{2} + 1$

Step 1

Combine the opposite terms in $2 x^{2} + 7 + 6 x - 1 - 7 x - 6 x^{2} + 1$ .

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Step 1.1

Add $- 1$ and $1$ .

$2 x^{2} + 7 + 6 x - 7 x - 6 x^{2} + 0$

Step 1.2

Add $2 x^{2} + 7 + 6 x - 7 x - 6 x^{2}$ and $0$ .

$2 x^{2} + 7 + 6 x - 7 x - 6 x^{2}$

Step 2

Subtract $6 x^{2}$ from $2 x^{2}$ .

$- 4 x^{2} + 7 + 6 x - 7 x$

Step 3

Subtract $7 x$ from $6 x$ .

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