# Aptitude | Algebra | Question 3

For any real number x the maximum value of 4−6x−x^{2} is at x=,**(A)** 4**(B)** 6**(C)** -3**(D)** 3**Answer:** **(C)****Explanation:** Differentiate and equate to 0

6+2x =0

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For any real number x the maximum value of 4−6x−x^{2} is at x=,**(A)** 4**(B)** 6**(C)** -3**(D)** 3**Answer:** **(C)****Explanation:** Differentiate and equate to 0

6+2x =0

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