Solve this quadratic equation by completing the square. x2 + 4x = 15 A. X=-2 19 B. X=-4 + 15 C. X = -4 + 19 D. X = -2 + 15 SUB

asked Jan 7, 2021 96.7k views

3 votes

Solve this quadratic equation by completing the square.

x2 + 4x = 15
A. X=-2 19
B. X=-4 + 15
C. X = -4 + 19
D. X = -2 + 15
SUB

4.5k points

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5 votes

Answer:

-2+√19 or x=-2-√19

Explanation:

completing the square it results :

x=-2+√19 or x=-2-√19

Arun Kasyakar answered Jan 13, 2021

4.5k points

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