Free GMAT Practice Question

Question 1 of 1
ID: GMAT-PS-1
Section: Quantitative Reasoning - Problem Solving
Topics: Quadratic Equation; Simplifying Expressions
Difficulty level: Medium

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If $\frac{x^{2} + 15}{5}=\frac{x^{2}\sqrt{5}}{\sqrt{125}}+k$, what is the value of $k$?

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