Linear Algebra Examples

$- (- 3 x + (- x - 2 y - 3)) + (- (2 x + y) + (- x - 3)) \cdot 2 - x + y$

Step 1

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.

Interval Notation:

$(- \infty, \infty)$

Set-Builder Notation:

${x | x \in ℝ}$