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Simplifying 0.93x2 + 2.2x + 130 = 0 Reorder the terms: 130 + 2.2x + 0.93x2 = 0 Solving 130 + 2.2x + 0.93x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.93 the coefficient of the squared term: Divide each side by '0.93'. 139.7849462 + 2.365591398x + x2 = 0 Move the constant term to the right: Add '-139.7849462' to each side of the equation. 139.7849462 + 2.365591398x + -139.7849462 + x2 = 0 + -139.7849462 Reorder the terms: 139.7849462 + -139.7849462 + 2.365591398x + x2 = 0 + -139.7849462 Combine like terms: 139.7849462 + -139.7849462 = 0.0000000 0.0000000 + 2.365591398x + x2 = 0 + -139.7849462 2.365591398x + x2 = 0 + -139.7849462 Combine like terms: 0 + -139.7849462 = -139.7849462 2.365591398x + x2 = -139.7849462 The x term is 2.365591398x. Take half its coefficient (1.182795699). Square it (1.399005666) and add it to both sides. Add '1.399005666' to each side of the equation. 2.365591398x + 1.399005666 + x2 = -139.7849462 + 1.399005666 Reorder the terms: 1.399005666 + 2.365591398x + x2 = -139.7849462 + 1.399005666 Combine like terms: -139.7849462 + 1.399005666 = -138.385940534 1.399005666 + 2.365591398x + x2 = -138.385940534 Factor a perfect square on the left side: (x + 1.182795699)(x + 1.182795699) = -138.385940534 Can't calculate square root of the right side. The solution to this equation could not be determined.
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