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Simplifying 5 + -0.2x + 0.03x2 = 0 Solving 5 + -0.2x + 0.03x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.03 the coefficient of the squared term: Divide each side by '0.03'. 166.6666667 + -6.666666667x + x2 = 0 Move the constant term to the right: Add '-166.6666667' to each side of the equation. 166.6666667 + -6.666666667x + -166.6666667 + x2 = 0 + -166.6666667 Reorder the terms: 166.6666667 + -166.6666667 + -6.666666667x + x2 = 0 + -166.6666667 Combine like terms: 166.6666667 + -166.6666667 = 0.0000000 0.0000000 + -6.666666667x + x2 = 0 + -166.6666667 -6.666666667x + x2 = 0 + -166.6666667 Combine like terms: 0 + -166.6666667 = -166.6666667 -6.666666667x + x2 = -166.6666667 The x term is -6.666666667x. Take half its coefficient (-3.333333334). Square it (11.11111112) and add it to both sides. Add '11.11111112' to each side of the equation. -6.666666667x + 11.11111112 + x2 = -166.6666667 + 11.11111112 Reorder the terms: 11.11111112 + -6.666666667x + x2 = -166.6666667 + 11.11111112 Combine like terms: -166.6666667 + 11.11111112 = -155.55555558 11.11111112 + -6.666666667x + x2 = -155.55555558 Factor a perfect square on the left side: (x + -3.333333334)(x + -3.333333334) = -155.55555558 Can't calculate square root of the right side. The solution to this equation could not be determined.
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