exam Maths Puzzle Numerical Ability

How do you solve by completing the square?
The problem is x^2+6x+1=0
Thank you

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exam Other Question

A ball is thrown downward from a window in a tall building. Its position at time T in seconds is s=16t^2+32t, where S is in feet. How long (to the nearest tenth) will it take the ball to fall 276 feet? Evaluate. 2 x 2to the third power