Simplify x2−9x2+6x+9⋅x+3x−3\frac{x^2 - 9}{x^2 + 6x + 9} \cdot \frac{x+3}{x-3}x2+6x+9x2−9⋅x−3x+3
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x−3x+3\frac{x-3}{x+3}x+3x−3
x+3x−3\frac{x+3}{x-3}x−3x+3
x−3x-3x−3