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Simplifying (10x2) + -18x + 19 = 0 Reorder the terms: 19 + -18x + (10x2) = 0 Solving 19 + -18x + (10x2) = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 10 the coefficient of the squared term: Divide each side by '10'. 1.9 + -1.8x + x2 = 0 Move the constant term to the right: Add '-1.9' to each side of the equation. 1.9 + -1.8x + -1.9 + x2 = 0 + -1.9 Reorder the terms: 1.9 + -1.9 + -1.8x + x2 = 0 + -1.9 Combine like terms: 1.9 + -1.9 = 0.0 0.0 + -1.8x + x2 = 0 + -1.9 -1.8x + x2 = 0 + -1.9 Combine like terms: 0 + -1.9 = -1.9 -1.8x + x2 = -1.9 The x term is -1.8x. Take half its coefficient (-0.9). Square it (0.81) and add it to both sides. Add '0.81' to each side of the equation. -1.8x + 0.81 + x2 = -1.9 + 0.81 Reorder the terms: 0.81 + -1.8x + x2 = -1.9 + 0.81 Combine like terms: -1.9 + 0.81 = -1.09 0.81 + -1.8x + x2 = -1.09 Factor a perfect square on the left side: ((x) + -0.9)((x) + -0.9) = -1.09 Can't calculate square root of the right side. The solution to this equation could not be determined.
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