Question

2x²+x-6x-3-x²-5x
...........????

Answer 1

2x^2+x-6x-3-x^2
=x^2-5x-3
X=-b±root over b^2-4ac/2a
X=-(-5)±root over (-5)^2-4(1)(3)/2(1)
X=5±root over25-12/2
X=5±root over3/2
X=5+root over 3/2 or
X=5-root over 3/2