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Simplifying (-1x2) + (-0.000018) + (0.000003x) = 0 (-1x2) + -0.000018 + (0.000003x) = 0 Reorder the terms: -0.000018 + (0.000003x) + (-1x2) = 0 Solving -0.000018 + (0.000003x) + (-1x2) = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 0.000018 + (-0.000003x) + x2 = 0 Move the constant term to the right: Add '-0.000018' to each side of the equation. 0.000018 + (-0.000003x) + -0.000018 + x2 = 0 + -0.000018 Reorder the terms: 0.000018 + -0.000018 + (-0.000003x) + x2 = 0 + -0.000018 Combine like terms: 0.000018 + -0.000018 = 0.000000 0.000000 + (-0.000003x) + x2 = 0 + -0.000018 (-0.000003x) + x2 = 0 + -0.000018 Combine like terms: 0 + -0.000018 = -0.000018 (-0.000003x) + x2 = -0.000018 The x term is (-0.000003x). Take half its coefficient (-0.0000015). Square it (0.00000000000225) and add it to both sides. Add '0.00000000000225' to each side of the equation. (-0.000003x) + 0.00000000000225 + x2 = -0.000018 + 0.00000000000225 Reorder the terms: 0.00000000000225 + (-0.000003x) + x2 = -0.000018 + 0.00000000000225 Combine like terms: -0.000018 + 0.00000000000225 = -0.00001799999775 0.00000000000225 + (-0.000003x) + x2 = -0.00001799999775 Factor a perfect square on the left side: ((x) + -0.0000015)((x) + -0.0000015) = -0.00001799999775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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