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Simplifying 3x2 + 2x + 6 = 0 Reorder the terms: 6 + 2x + 3x2 = 0 Solving 6 + 2x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 2 + 0.6666666667x + x2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + 0.6666666667x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + 0.6666666667x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 0.6666666667x + x2 = 0 + -2 0.6666666667x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 0.6666666667x + x2 = -2 The x term is 0.6666666667x. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667x + 0.1111111112 + x2 = -2 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667x + x2 = -2 + 0.1111111112 Combine like terms: -2 + 0.1111111112 = -1.8888888888 0.1111111112 + 0.6666666667x + x2 = -1.8888888888 Factor a perfect square on the left side: (x + 0.3333333334)(x + 0.3333333334) = -1.8888888888 Can't calculate square root of the right side. The solution to this equation could not be determined.
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