Algebra Examples

$2 x^{2} + 3 x - 6 + (x^{2} - 18 x + 6)$

Step 1

Remove parentheses.

$2 x^{2} + 3 x - 6 + x^{2} - 18 x + 6$

Step 2

Combine the opposite terms in $2 x^{2} + 3 x - 6 + x^{2} - 18 x + 6$ .

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Step 2.1

Add $- 6$ and $6$ .

$2 x^{2} + 3 x + x^{2} - 18 x + 0$

Step 2.2

Add $2 x^{2} + 3 x + x^{2} - 18 x$ and $0$ .

$2 x^{2} + 3 x + x^{2} - 18 x$

Step 3

Add $2 x^{2}$ and $x^{2}$ .

$3 x^{2} + 3 x - 18 x$

Step 4

Subtract $18 x$ from $3 x$ .

$3 x^{2} - 15 x$