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Simplifying 39x2 + -482x + -2460 = 0 Reorder the terms: -2460 + -482x + 39x2 = 0 Solving -2460 + -482x + 39x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 39 the coefficient of the squared term: Divide each side by '39'. -63.07692308 + -12.35897436x + x2 = 0 Move the constant term to the right: Add '63.07692308' to each side of the equation. -63.07692308 + -12.35897436x + 63.07692308 + x2 = 0 + 63.07692308 Reorder the terms: -63.07692308 + 63.07692308 + -12.35897436x + x2 = 0 + 63.07692308 Combine like terms: -63.07692308 + 63.07692308 = 0.00000000 0.00000000 + -12.35897436x + x2 = 0 + 63.07692308 -12.35897436x + x2 = 0 + 63.07692308 Combine like terms: 0 + 63.07692308 = 63.07692308 -12.35897436x + x2 = 63.07692308 The x term is -12.35897436x. Take half its coefficient (-6.17948718). Square it (38.18606181) and add it to both sides. Add '38.18606181' to each side of the equation. -12.35897436x + 38.18606181 + x2 = 63.07692308 + 38.18606181 Reorder the terms: 38.18606181 + -12.35897436x + x2 = 63.07692308 + 38.18606181 Combine like terms: 63.07692308 + 38.18606181 = 101.26298489 38.18606181 + -12.35897436x + x2 = 101.26298489 Factor a perfect square on the left side: (x + -6.17948718)(x + -6.17948718) = 101.26298489 Calculate the square root of the right side: 10.062951102 Break this problem into two subproblems by setting (x + -6.17948718) equal to 10.062951102 and -10.062951102.Subproblem 1
x + -6.17948718 = 10.062951102 Simplifying x + -6.17948718 = 10.062951102 Reorder the terms: -6.17948718 + x = 10.062951102 Solving -6.17948718 + x = 10.062951102 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.17948718' to each side of the equation. -6.17948718 + 6.17948718 + x = 10.062951102 + 6.17948718 Combine like terms: -6.17948718 + 6.17948718 = 0.00000000 0.00000000 + x = 10.062951102 + 6.17948718 x = 10.062951102 + 6.17948718 Combine like terms: 10.062951102 + 6.17948718 = 16.242438282 x = 16.242438282 Simplifying x = 16.242438282Subproblem 2
x + -6.17948718 = -10.062951102 Simplifying x + -6.17948718 = -10.062951102 Reorder the terms: -6.17948718 + x = -10.062951102 Solving -6.17948718 + x = -10.062951102 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.17948718' to each side of the equation. -6.17948718 + 6.17948718 + x = -10.062951102 + 6.17948718 Combine like terms: -6.17948718 + 6.17948718 = 0.00000000 0.00000000 + x = -10.062951102 + 6.17948718 x = -10.062951102 + 6.17948718 Combine like terms: -10.062951102 + 6.17948718 = -3.883463922 x = -3.883463922 Simplifying x = -3.883463922Solution
The solution to the problem is based on the solutions from the subproblems. x = {16.242438282, -3.883463922}
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