Question

Simplify : x + y – ( x + y – x)​

Answer 1

Answer:

$x + y - (x + y - x) = x$

Step-by-step explanation:

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

Answer 2

Answer:

=x+y-(x+y-x)

=x(x+y-x)-y(x+y-x)

=(2x+yx-2x) (-xy+-2y+xy)

=2yXxy

=2xy