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Simplifying 3x2 + -80x + 740 = 0 Reorder the terms: 740 + -80x + 3x2 = 0 Solving 740 + -80x + 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'. 246.6666667 + -26.66666667x + x2 = 0 Move the constant term to the right: Add '-246.6666667' to each side of the equation. 246.6666667 + -26.66666667x + -246.6666667 + x2 = 0 + -246.6666667 Reorder the terms: 246.6666667 + -246.6666667 + -26.66666667x + x2 = 0 + -246.6666667 Combine like terms: 246.6666667 + -246.6666667 = 0.0000000 0.0000000 + -26.66666667x + x2 = 0 + -246.6666667 -26.66666667x + x2 = 0 + -246.6666667 Combine like terms: 0 + -246.6666667 = -246.6666667 -26.66666667x + x2 = -246.6666667 The x term is -26.66666667x. Take half its coefficient (-13.33333334). Square it (177.7777780) and add it to both sides. Add '177.7777780' to each side of the equation. -26.66666667x + 177.7777780 + x2 = -246.6666667 + 177.7777780 Reorder the terms: 177.7777780 + -26.66666667x + x2 = -246.6666667 + 177.7777780 Combine like terms: -246.6666667 + 177.7777780 = -68.8888887 177.7777780 + -26.66666667x + x2 = -68.8888887 Factor a perfect square on the left side: (x + -13.33333334)(x + -13.33333334) = -68.8888887 Can't calculate square root of the right side. The solution to this equation could not be determined.
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