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Simplifying 0.0003x2 + -0.048x + 18.1 = 0 Reorder the terms: 18.1 + -0.048x + 0.0003x2 = 0 Solving 18.1 + -0.048x + 0.0003x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.0003 the coefficient of the squared term: Divide each side by '0.0003'. 60333.33333 + -160x + x2 = 0 Move the constant term to the right: Add '-60333.33333' to each side of the equation. 60333.33333 + -160x + -60333.33333 + x2 = 0 + -60333.33333 Reorder the terms: 60333.33333 + -60333.33333 + -160x + x2 = 0 + -60333.33333 Combine like terms: 60333.33333 + -60333.33333 = 0.00000 0.00000 + -160x + x2 = 0 + -60333.33333 -160x + x2 = 0 + -60333.33333 Combine like terms: 0 + -60333.33333 = -60333.33333 -160x + x2 = -60333.33333 The x term is -160x. Take half its coefficient (-80). Square it (6400) and add it to both sides. Add '6400' to each side of the equation. -160x + 6400 + x2 = -60333.33333 + 6400 Reorder the terms: 6400 + -160x + x2 = -60333.33333 + 6400 Combine like terms: -60333.33333 + 6400 = -53933.33333 6400 + -160x + x2 = -53933.33333 Factor a perfect square on the left side: (x + -80)(x + -80) = -53933.33333 Can't calculate square root of the right side. The solution to this equation could not be determined.
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