Solve the quadratic equation using the quadratic formula (if necessary, round the result to three significant digits). $x ^ { 2 } + 12 x + 85 = 0$ x = _____ $\pm$ ______j

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The Answer of Solve the quadratic equation using the quadratic formula (if necessary, round the result to three significant digits). $x ^ { 2 } + 12 x + 85 = 0$ x = _____ $\pm$ ______j

Solve the Quadratic Equation Using the Quadratic Formula (If Necessary x2+12x+85=0x ^ { 2 } + 12 x + 85 = 0x2+12x+85=0

Solve the Quadratic Equation Using the Quadratic Formula (If Necessary $x ^ { 2 } + 12 x + 85 = 0$