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Simplifying 7.6x2 + 124x + 1600 = 0 Reorder the terms: 1600 + 124x + 7.6x2 = 0 Solving 1600 + 124x + 7.6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7.6 the coefficient of the squared term: Divide each side by '7.6'. 210.5263158 + 16.31578947x + x2 = 0 Move the constant term to the right: Add '-210.5263158' to each side of the equation. 210.5263158 + 16.31578947x + -210.5263158 + x2 = 0 + -210.5263158 Reorder the terms: 210.5263158 + -210.5263158 + 16.31578947x + x2 = 0 + -210.5263158 Combine like terms: 210.5263158 + -210.5263158 = 0.0000000 0.0000000 + 16.31578947x + x2 = 0 + -210.5263158 16.31578947x + x2 = 0 + -210.5263158 Combine like terms: 0 + -210.5263158 = -210.5263158 16.31578947x + x2 = -210.5263158 The x term is 16.31578947x. Take half its coefficient (8.157894735). Square it (66.55124651) and add it to both sides. Add '66.55124651' to each side of the equation. 16.31578947x + 66.55124651 + x2 = -210.5263158 + 66.55124651 Reorder the terms: 66.55124651 + 16.31578947x + x2 = -210.5263158 + 66.55124651 Combine like terms: -210.5263158 + 66.55124651 = -143.97506929 66.55124651 + 16.31578947x + x2 = -143.97506929 Factor a perfect square on the left side: (x + 8.157894735)(x + 8.157894735) = -143.97506929 Can't calculate square root of the right side. The solution to this equation could not be determined.
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