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Simplifying 0.0002x2 + -0.316x + 135.9 = 0 Reorder the terms: 135.9 + -0.316x + 0.0002x2 = 0 Solving 135.9 + -0.316x + 0.0002x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.0002 the coefficient of the squared term: Divide each side by '0.0002'. 679500 + -1580x + x2 = 0 Move the constant term to the right: Add '-679500' to each side of the equation. 679500 + -1580x + -679500 + x2 = 0 + -679500 Reorder the terms: 679500 + -679500 + -1580x + x2 = 0 + -679500 Combine like terms: 679500 + -679500 = 0 0 + -1580x + x2 = 0 + -679500 -1580x + x2 = 0 + -679500 Combine like terms: 0 + -679500 = -679500 -1580x + x2 = -679500 The x term is -1580x. Take half its coefficient (-790). Square it (624100) and add it to both sides. Add '624100' to each side of the equation. -1580x + 624100 + x2 = -679500 + 624100 Reorder the terms: 624100 + -1580x + x2 = -679500 + 624100 Combine like terms: -679500 + 624100 = -55400 624100 + -1580x + x2 = -55400 Factor a perfect square on the left side: (x + -790)(x + -790) = -55400 Can't calculate square root of the right side. The solution to this equation could not be determined.
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