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Simplifying 0.3x2 + -0.01x + 4 = 0 Reorder the terms: 4 + -0.01x + 0.3x2 = 0 Solving 4 + -0.01x + 0.3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.3 the coefficient of the squared term: Divide each side by '0.3'. 13.33333333 + -0.03333333333x + x2 = 0 Move the constant term to the right: Add '-13.33333333' to each side of the equation. 13.33333333 + -0.03333333333x + -13.33333333 + x2 = 0 + -13.33333333 Reorder the terms: 13.33333333 + -13.33333333 + -0.03333333333x + x2 = 0 + -13.33333333 Combine like terms: 13.33333333 + -13.33333333 = 0.00000000 0.00000000 + -0.03333333333x + x2 = 0 + -13.33333333 -0.03333333333x + x2 = 0 + -13.33333333 Combine like terms: 0 + -13.33333333 = -13.33333333 -0.03333333333x + x2 = -13.33333333 The x term is -0.03333333333x. Take half its coefficient (-0.01666666667). Square it (0.0002777777779) and add it to both sides. Add '0.0002777777779' to each side of the equation. -0.03333333333x + 0.0002777777779 + x2 = -13.33333333 + 0.0002777777779 Reorder the terms: 0.0002777777779 + -0.03333333333x + x2 = -13.33333333 + 0.0002777777779 Combine like terms: -13.33333333 + 0.0002777777779 = -13.3330555522221 0.0002777777779 + -0.03333333333x + x2 = -13.3330555522221 Factor a perfect square on the left side: (x + -0.01666666667)(x + -0.01666666667) = -13.3330555522221 Can't calculate square root of the right side. The solution to this equation could not be determined.
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