Finite Math Examples

$2 x^{2} + 6 = 15$

Step 1

Subtract $15$ from both sides of the equation.

$2 x^{2} + 6 - 15 = 0$

Step 2

Subtract $15$ from $6$ .

$2 x^{2} - 9 = 0$

Step 3

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.