Simplify: frac2x2+6x2x\\frac{2x^2 + 6x}{2x}frac2x2+6x2x (assume x≠0x \neq 0x=0).
x+3x + 3x+3
x−3x - 3x−3
2x+32x + 32x+3
x2+3x^2 + 3x2+3