Simplify fully 3x2+9xx2−9\displaystyle \frac{3x^2 + 9x}{x^2 - 9}x2−93x2+9x
Hence, solve 3x2+9xx2−9=6\displaystyle \frac{3x^2 + 9x}{x^2 - 9}=6x2−93x2+9x=6
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