SOLUTION: Solve the quadratic equation by completing the square x^2-6x-3=0 Thanks in advance.

SOLUTION: Solve the quadratic equation by completing the square x^2-6x-3=0 Thanks in advance.

Algebra.Com

Question 87868: Solve the quadratic equation by completing the square
x^2-6x-3=0
Thanks in advance.
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
First add +3 to each side of the equation:
x^2-6x-3=0
x^2 -6x + ___ = 3+ ____

Take half of the x coefficient, -6, which is -3, and square which is 9. Add +9 to each side:

Square root both sides:

Add +3 to each side:

Simplify the square root:

or

R^2 Retired from SCC
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