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Simplifying 12x2 + -7x = -2 Reorder the terms: -7x + 12x2 = -2 Solving -7x + 12x2 = -2 Solving for variable 'x'. Reorder the terms: 2 + -7x + 12x2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + -7x + 12x2 = 0 Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 0.1666666667 + -0.5833333333x + x2 = 0 Move the constant term to the right: Add '-0.1666666667' to each side of the equation. 0.1666666667 + -0.5833333333x + -0.1666666667 + x2 = 0 + -0.1666666667 Reorder the terms: 0.1666666667 + -0.1666666667 + -0.5833333333x + x2 = 0 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + -0.5833333333x + x2 = 0 + -0.1666666667 -0.5833333333x + x2 = 0 + -0.1666666667 Combine like terms: 0 + -0.1666666667 = -0.1666666667 -0.5833333333x + x2 = -0.1666666667 The x term is -0.5833333333x. Take half its coefficient (-0.2916666667). Square it (0.08506944446) and add it to both sides. Add '0.08506944446' to each side of the equation. -0.5833333333x + 0.08506944446 + x2 = -0.1666666667 + 0.08506944446 Reorder the terms: 0.08506944446 + -0.5833333333x + x2 = -0.1666666667 + 0.08506944446 Combine like terms: -0.1666666667 + 0.08506944446 = -0.08159722224 0.08506944446 + -0.5833333333x + x2 = -0.08159722224 Factor a perfect square on the left side: (x + -0.2916666667)(x + -0.2916666667) = -0.08159722224 Can't calculate square root of the right side. The solution to this equation could not be determined.
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