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Simplifying 12x2 + -28x + 17 = 0 Reorder the terms: 17 + -28x + 12x2 = 0 Solving 17 + -28x + 12x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 1.416666667 + -2.333333333x + x2 = 0 Move the constant term to the right: Add '-1.416666667' to each side of the equation. 1.416666667 + -2.333333333x + -1.416666667 + x2 = 0 + -1.416666667 Reorder the terms: 1.416666667 + -1.416666667 + -2.333333333x + x2 = 0 + -1.416666667 Combine like terms: 1.416666667 + -1.416666667 = 0.000000000 0.000000000 + -2.333333333x + x2 = 0 + -1.416666667 -2.333333333x + x2 = 0 + -1.416666667 Combine like terms: 0 + -1.416666667 = -1.416666667 -2.333333333x + x2 = -1.416666667 The x term is -2.333333333x. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333x + 1.361111112 + x2 = -1.416666667 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333x + x2 = -1.416666667 + 1.361111112 Combine like terms: -1.416666667 + 1.361111112 = -0.055555555 1.361111112 + -2.333333333x + x2 = -0.055555555 Factor a perfect square on the left side: (x + -1.166666667)(x + -1.166666667) = -0.055555555 Can't calculate square root of the right side. The solution to this equation could not be determined.
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