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Thepotemich [5.8K]
2 years ago
11

How would you complete the square on the left side of this equation? x^2-6x=15 A. Add 6 to both sides of the equation. B. Subtra

ct 6 from both sides of the equation. C. Add 9 to both sides of the equation. D. Subtract 9 from both sides of the equation. Please select the best answer from the choices provided A B C D
Mathematics
1 answer:
Illusion [34]2 years ago
3 0

Answer:

C. Add 9 to both sides of the equation.

Step-by-step explanation:

Given

x^2 - 6x = 15

Required

Complete the squares

We have:

x^2 - 6x = 15

---------------------------------------------

Take the coefficient of -6 i.e. -3

Square it (-3)^2 = 9

Add 9 to both sides

---------------------------------------------

<em>Hence, C is correct</em>

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