solve the following quadratic function by completing the square. y = x^2 + 2x - 12 x = ? ± √

solve the following quadratic function by completing the square. y = x^2 + 2x - 12 x = ? ± √
Answer
Answer:
(x=-1\pm\sqrt{13})

solve the following quadratic function by completing the square. y = x^2 + 2x - 12 x = ? ± √
(x=-1\pm\sqrt{13})