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Simplifying -0.03x2 + 0.2x + -50 = 0 Reorder the terms: -50 + 0.2x + -0.03x2 = 0 Solving -50 + 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'. 1666.666667 + -6.666666667x + x2 = 0 Move the constant term to the right: Add '-1666.666667' to each side of the equation. 1666.666667 + -6.666666667x + -1666.666667 + x2 = 0 + -1666.666667 Reorder the terms: 1666.666667 + -1666.666667 + -6.666666667x + x2 = 0 + -1666.666667 Combine like terms: 1666.666667 + -1666.666667 = 0.000000 0.000000 + -6.666666667x + x2 = 0 + -1666.666667 -6.666666667x + x2 = 0 + -1666.666667 Combine like terms: 0 + -1666.666667 = -1666.666667 -6.666666667x + x2 = -1666.666667 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 = -1666.666667 + 11.11111112 Reorder the terms: 11.11111112 + -6.666666667x + x2 = -1666.666667 + 11.11111112 Combine like terms: -1666.666667 + 11.11111112 = -1655.55555588 11.11111112 + -6.666666667x + x2 = -1655.55555588 Factor a perfect square on the left side: (x + -3.333333334)(x + -3.333333334) = -1655.55555588 Can't calculate square root of the right side. The solution to this equation could not be determined.
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