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Simplifying -0.0000125x2 + 0.0001x + -2 = 0 Reorder the terms: -2 + 0.0001x + -0.0000125x2 = 0 Solving -2 + 0.0001x + -0.0000125x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -0.0000125 the coefficient of the squared term: Divide each side by '-0.0000125'. 160000 + -8x + x2 = 0 Move the constant term to the right: Add '-160000' to each side of the equation. 160000 + -8x + -160000 + x2 = 0 + -160000 Reorder the terms: 160000 + -160000 + -8x + x2 = 0 + -160000 Combine like terms: 160000 + -160000 = 0 0 + -8x + x2 = 0 + -160000 -8x + x2 = 0 + -160000 Combine like terms: 0 + -160000 = -160000 -8x + x2 = -160000 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = -160000 + 16 Reorder the terms: 16 + -8x + x2 = -160000 + 16 Combine like terms: -160000 + 16 = -159984 16 + -8x + x2 = -159984 Factor a perfect square on the left side: (x + -4)(x + -4) = -159984 Can't calculate square root of the right side. The solution to this equation could not be determined.
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