Question

x2 -(x+ 1)(x+2)whole divide by 5x+2 =6

Answer 1

$\frac{{x}^{2} - (x + 1)(x + 2)}{5x + 1} = 6 = > \frac{ {x}^{2} - ({x}^{2} + 3x + 2)}{5x + 1}$
$= 6 = > \frac{ - (3x + 2)}{5x + 1} = 6$
=> -3x-2 =6(5x+1) =30x+6 => 33x= -8 => x= -8/33 .