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Evaluate the limit $\lim_{x\to-2}\left(\frac{3-\sqrt{6x+21}}{x+2}\right)$ by replacing all occurrences of $x$ by $-2$
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$\frac{3-\sqrt{6\cdot -2+21}}{-2+2}$
Learn how to solve limits by direct substitution problems step by step online. Find the limit (x)->(-2)lim((3-(6x+21)^1/2)/(x+2)). Evaluate the limit \lim_{x\to-2}\left(\frac{3-\sqrt{6x+21}}{x+2}\right) by replacing all occurrences of x by -2. Subtract the values 2 and -2. Multiply 6 times -2. Subtract the values 21 and -12.