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Simplifying 6x2 + -25x + 42 = 0 Reorder the terms: 42 + -25x + 6x2 = 0 Solving 42 + -25x + 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'. 7 + -4.166666667x + x2 = 0 Move the constant term to the right: Add '-7' to each side of the equation. 7 + -4.166666667x + -7 + x2 = 0 + -7 Reorder the terms: 7 + -7 + -4.166666667x + x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4.166666667x + x2 = 0 + -7 -4.166666667x + x2 = 0 + -7 Combine like terms: 0 + -7 = -7 -4.166666667x + x2 = -7 The x term is -4.166666667x. Take half its coefficient (-2.083333334). Square it (4.340277781) and add it to both sides. Add '4.340277781' to each side of the equation. -4.166666667x + 4.340277781 + x2 = -7 + 4.340277781 Reorder the terms: 4.340277781 + -4.166666667x + x2 = -7 + 4.340277781 Combine like terms: -7 + 4.340277781 = -2.659722219 4.340277781 + -4.166666667x + x2 = -2.659722219 Factor a perfect square on the left side: (x + -2.083333334)(x + -2.083333334) = -2.659722219 Can't calculate square root of the right side. The solution to this equation could not be determined.
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