HELP ! Algebra

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Solve the quadratic equation by completing the square. (-x^2 + 6x + 10 = 0)

• HELP ! Algebra -

-x^2 + 6x + 10 = 0
-(x^2 - 6x) + 10 = 0
-(x^2 - 6x + 9) + 10 + 9 = 0
-(x-3)^2 + 19 = 0
(x-3)^2 = 19
x-3 = ±√19
x = 3±√19

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