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Simplifying 18 + 19x2 + -36x = 0 Reorder the terms: 18 + -36x + 19x2 = 0 Solving 18 + -36x + 19x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 19 the coefficient of the squared term: Divide each side by '19'. 0.9473684211 + -1.894736842x + x2 = 0 Move the constant term to the right: Add '-0.9473684211' to each side of the equation. 0.9473684211 + -1.894736842x + -0.9473684211 + x2 = 0 + -0.9473684211 Reorder the terms: 0.9473684211 + -0.9473684211 + -1.894736842x + x2 = 0 + -0.9473684211 Combine like terms: 0.9473684211 + -0.9473684211 = 0.0000000000 0.0000000000 + -1.894736842x + x2 = 0 + -0.9473684211 -1.894736842x + x2 = 0 + -0.9473684211 Combine like terms: 0 + -0.9473684211 = -0.9473684211 -1.894736842x + x2 = -0.9473684211 The x term is -1.894736842x. Take half its coefficient (-0.947368421). Square it (0.8975069251) and add it to both sides. Add '0.8975069251' to each side of the equation. -1.894736842x + 0.8975069251 + x2 = -0.9473684211 + 0.8975069251 Reorder the terms: 0.8975069251 + -1.894736842x + x2 = -0.9473684211 + 0.8975069251 Combine like terms: -0.9473684211 + 0.8975069251 = -0.049861496 0.8975069251 + -1.894736842x + x2 = -0.049861496 Factor a perfect square on the left side: (x + -0.947368421)(x + -0.947368421) = -0.049861496 Can't calculate square root of the right side. The solution to this equation could not be determined.
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