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Evaluate the limit $\lim_{x\to3}\left(\frac{x-3}{\sqrt{4x+4}-4}\right)$ by replacing all occurrences of $x$ by $3$
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$\frac{3-3}{\sqrt{4\cdot 3+4}-4}$
Learn how to solve limits by direct substitution problems step by step online. Find the limit of (x-3)/((4x+4)^1/2-4) as x approaches 3. Evaluate the limit \lim_{x\to3}\left(\frac{x-3}{\sqrt{4x+4}-4}\right) by replacing all occurrences of x by 3. Subtract the values 3 and -3. Multiply 4 times 3. Add the values 12 and 4.