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Simplifying 3(X2) + -3X = 2 Reorder the terms: -3X + 3X2 = 2 Solving -3X + 3X2 = 2 Solving for variable 'X'. Reorder the terms: -2 + -3X + 3X2 = 2 + -2 Combine like terms: 2 + -2 = 0 -2 + -3X + 3X2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -0.6666666667 + -1X + X2 = 0 Move the constant term to the right: Add '0.6666666667' to each side of the equation. -0.6666666667 + -1X + 0.6666666667 + X2 = 0 + 0.6666666667 Reorder the terms: -0.6666666667 + 0.6666666667 + -1X + X2 = 0 + 0.6666666667 Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000 0.0000000000 + -1X + X2 = 0 + 0.6666666667 -1X + X2 = 0 + 0.6666666667 Combine like terms: 0 + 0.6666666667 = 0.6666666667 -1X + X2 = 0.6666666667 The X term is -1X. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1X + 0.25 + X2 = 0.6666666667 + 0.25 Reorder the terms: 0.25 + -1X + X2 = 0.6666666667 + 0.25 Combine like terms: 0.6666666667 + 0.25 = 0.9166666667 0.25 + -1X + X2 = 0.9166666667 Factor a perfect square on the left side: (X + -0.5)(X + -0.5) = 0.9166666667 Calculate the square root of the right side: 0.957427108 Break this problem into two subproblems by setting (X + -0.5) equal to 0.957427108 and -0.957427108.Subproblem 1
X + -0.5 = 0.957427108 Simplifying X + -0.5 = 0.957427108 Reorder the terms: -0.5 + X = 0.957427108 Solving -0.5 + X = 0.957427108 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + X = 0.957427108 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + X = 0.957427108 + 0.5 X = 0.957427108 + 0.5 Combine like terms: 0.957427108 + 0.5 = 1.457427108 X = 1.457427108 Simplifying X = 1.457427108Subproblem 2
X + -0.5 = -0.957427108 Simplifying X + -0.5 = -0.957427108 Reorder the terms: -0.5 + X = -0.957427108 Solving -0.5 + X = -0.957427108 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + X = -0.957427108 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + X = -0.957427108 + 0.5 X = -0.957427108 + 0.5 Combine like terms: -0.957427108 + 0.5 = -0.457427108 X = -0.457427108 Simplifying X = -0.457427108Solution
The solution to the problem is based on the solutions from the subproblems. X = {1.457427108, -0.457427108}
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