# Something interesting!

Calculus Level 4

Find the number of solutions to the equation below.

$4\lfloor x^3-x \rfloor + 8\lfloor x^2 \rfloor = 13 + 2\lfloor \cos x \rfloor$

Notation: $$\lfloor \cdot \rfloor$$ denotes the floor function.

×