its -6, not +6 indraneel..
anyway,
either x^2-x-6=x+2 or x^2-x-6=-2-x
in 1st case,x2-2x-8=0 so x=4,-2
IN 2ND CASE, x2-4=0, x=±2.
1-----x2-x+6=x+2
or
2----x2-x+6=-x-2
1---on solving x2-2x+4=0
solve the quadratic
or
2--- on solving x2+4=0
no solution for this quadratic
its -6, not +6 indraneel..
anyway,
either x^2-x-6=x+2 or x^2-x-6=-2-x
in 1st case,x2-2x-8=0 so x=4,-2
IN 2ND CASE, x2-4=0, x=±2.