# x can take finite values!

Algebra Level 3

For a real $$x$$ satisfying $\dfrac{6x^2-5x-3}{x^2-2x+6} \leq 4 ,$

the least and the highest values of $$4x^2$$ are $$A$$ and $$B$$ respectively.

Find the value of $$A-B$$.

×