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Simplifying 17 + -3x(4 + -2x) = 0 17 + (4 * -3x + -2x * -3x) = 0 17 + (-12x + 6x2) = 0 Solving 17 + -12x + 6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 2.833333333 + -2x + x2 = 0 Move the constant term to the right: Add '-2.833333333' to each side of the equation. 2.833333333 + -2x + -2.833333333 + x2 = 0 + -2.833333333 Reorder the terms: 2.833333333 + -2.833333333 + -2x + x2 = 0 + -2.833333333 Combine like terms: 2.833333333 + -2.833333333 = 0.000000000 0.000000000 + -2x + x2 = 0 + -2.833333333 -2x + x2 = 0 + -2.833333333 Combine like terms: 0 + -2.833333333 = -2.833333333 -2x + x2 = -2.833333333 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = -2.833333333 + 1 Reorder the terms: 1 + -2x + x2 = -2.833333333 + 1 Combine like terms: -2.833333333 + 1 = -1.833333333 1 + -2x + x2 = -1.833333333 Factor a perfect square on the left side: (x + -1)(x + -1) = -1.833333333 Can't calculate square root of the right side. The solution to this equation could not be determined.
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