Divide: x2−9x+3÷x−3x\frac{x^2-9}{x+3} \div \frac{x-3}{x}x+3x2−9÷xx−3
x(x+3)x(x+3)x(x+3)
x(x+3)(x−3)(x+3)(x−3)\frac{x(x+3)(x-3)}{(x+3)(x-3)}(x+3)(x−3)x(x+3)(x−3)
xxx
(x−3)(x+3)(x+3)⋅xx−3\frac{(x-3)(x+3)}{(x+3)} \cdot \frac{x}{x-3}(x+3)(x−3)(x+3)⋅x−3x