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Simplifying -4.9x2 + 9.8x + -6 = 0 Reorder the terms: -6 + 9.8x + -4.9x2 = 0 Solving -6 + 9.8x + -4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -4.9 the coefficient of the squared term: Divide each side by '-4.9'. 1.224489796 + -2x + x2 = 0 Move the constant term to the right: Add '-1.224489796' to each side of the equation. 1.224489796 + -2x + -1.224489796 + x2 = 0 + -1.224489796 Reorder the terms: 1.224489796 + -1.224489796 + -2x + x2 = 0 + -1.224489796 Combine like terms: 1.224489796 + -1.224489796 = 0.000000000 0.000000000 + -2x + x2 = 0 + -1.224489796 -2x + x2 = 0 + -1.224489796 Combine like terms: 0 + -1.224489796 = -1.224489796 -2x + x2 = -1.224489796 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = -1.224489796 + 1 Reorder the terms: 1 + -2x + x2 = -1.224489796 + 1 Combine like terms: -1.224489796 + 1 = -0.224489796 1 + -2x + x2 = -0.224489796 Factor a perfect square on the left side: (x + -1)(x + -1) = -0.224489796 Can't calculate square root of the right side. The solution to this equation could not be determined.
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