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Simplifying 0.1x2 + -64x + 23299 = 0 Reorder the terms: 23299 + -64x + 0.1x2 = 0 Solving 23299 + -64x + 0.1x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.1 the coefficient of the squared term: Divide each side by '0.1'. 232990 + -640x + x2 = 0 Move the constant term to the right: Add '-232990' to each side of the equation. 232990 + -640x + -232990 + x2 = 0 + -232990 Reorder the terms: 232990 + -232990 + -640x + x2 = 0 + -232990 Combine like terms: 232990 + -232990 = 0 0 + -640x + x2 = 0 + -232990 -640x + x2 = 0 + -232990 Combine like terms: 0 + -232990 = -232990 -640x + x2 = -232990 The x term is -640x. Take half its coefficient (-320). Square it (102400) and add it to both sides. Add '102400' to each side of the equation. -640x + 102400 + x2 = -232990 + 102400 Reorder the terms: 102400 + -640x + x2 = -232990 + 102400 Combine like terms: -232990 + 102400 = -130590 102400 + -640x + x2 = -130590 Factor a perfect square on the left side: (x + -320)(x + -320) = -130590 Can't calculate square root of the right side. The solution to this equation could not be determined.
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