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Simplifying 63x2 + 55x + 19 = 0 Reorder the terms: 19 + 55x + 63x2 = 0 Solving 19 + 55x + 63x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 63 the coefficient of the squared term: Divide each side by '63'. 0.3015873016 + 0.873015873x + x2 = 0 Move the constant term to the right: Add '-0.3015873016' to each side of the equation. 0.3015873016 + 0.873015873x + -0.3015873016 + x2 = 0 + -0.3015873016 Reorder the terms: 0.3015873016 + -0.3015873016 + 0.873015873x + x2 = 0 + -0.3015873016 Combine like terms: 0.3015873016 + -0.3015873016 = 0.0000000000 0.0000000000 + 0.873015873x + x2 = 0 + -0.3015873016 0.873015873x + x2 = 0 + -0.3015873016 Combine like terms: 0 + -0.3015873016 = -0.3015873016 0.873015873x + x2 = -0.3015873016 The x term is 0.873015873x. Take half its coefficient (0.4365079365). Square it (0.1905391786) and add it to both sides. Add '0.1905391786' to each side of the equation. 0.873015873x + 0.1905391786 + x2 = -0.3015873016 + 0.1905391786 Reorder the terms: 0.1905391786 + 0.873015873x + x2 = -0.3015873016 + 0.1905391786 Combine like terms: -0.3015873016 + 0.1905391786 = -0.111048123 0.1905391786 + 0.873015873x + x2 = -0.111048123 Factor a perfect square on the left side: (x + 0.4365079365)(x + 0.4365079365) = -0.111048123 Can't calculate square root of the right side. The solution to this equation could not be determined.
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