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Evaluate the limit $\lim_{x\to3}\left(\frac{3x-9}{x^2-12}\right)$ by replacing all occurrences of $x$ by $3$
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$\frac{3\cdot 3-9}{3^2-12}$
Learn how to solve limits by direct substitution problems step by step online. Find the limit (x)->(3)lim((3x-9)/(x^2-12)). Evaluate the limit \lim_{x\to3}\left(\frac{3x-9}{x^2-12}\right) by replacing all occurrences of x by 3. Multiply 3 times 3. Subtract the values 9 and -9. Calculate the power 3^2.