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Simplifying 36x2 + -36x + 13 = 0 Reorder the terms: 13 + -36x + 36x2 = 0 Solving 13 + -36x + 36x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 36 the coefficient of the squared term: Divide each side by '36'. 0.3611111111 + -1x + x2 = 0 Move the constant term to the right: Add '-0.3611111111' to each side of the equation. 0.3611111111 + -1x + -0.3611111111 + x2 = 0 + -0.3611111111 Reorder the terms: 0.3611111111 + -0.3611111111 + -1x + x2 = 0 + -0.3611111111 Combine like terms: 0.3611111111 + -0.3611111111 = 0.0000000000 0.0000000000 + -1x + x2 = 0 + -0.3611111111 -1x + x2 = 0 + -0.3611111111 Combine like terms: 0 + -0.3611111111 = -0.3611111111 -1x + x2 = -0.3611111111 The x term is -1x. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1x + 0.25 + x2 = -0.3611111111 + 0.25 Reorder the terms: 0.25 + -1x + x2 = -0.3611111111 + 0.25 Combine like terms: -0.3611111111 + 0.25 = -0.1111111111 0.25 + -1x + x2 = -0.1111111111 Factor a perfect square on the left side: (x + -0.5)(x + -0.5) = -0.1111111111 Can't calculate square root of the right side. The solution to this equation could not be determined.
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