Question

Check whether the equation x(x-2) - 2x +y +8 =0 is a linear equation or not. (class 9th)

Answer 1

x (x-2)-2x+y+8=0

$x { }^{2} - 2x - 2x + y + 8 = 0$
$x {}^{2} - 4x + y + 8 = 0$
$x {}^{2} - 4x + y = - 8$
it is a linear equation.

Answer 2

It is not a linear equation