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Simplifying 36x2 + -120x + 94 = 0 Reorder the terms: 94 + -120x + 36x2 = 0 Solving 94 + -120x + 36x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(47 + -60x + 18x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(47 + -60x + 18x2)' equal to zero and attempt to solve: Simplifying 47 + -60x + 18x2 = 0 Solving 47 + -60x + 18x2 = 0 Begin completing the square. Divide all terms by 18 the coefficient of the squared term: Divide each side by '18'. 2.611111111 + -3.333333333x + x2 = 0 Move the constant term to the right: Add '-2.611111111' to each side of the equation. 2.611111111 + -3.333333333x + -2.611111111 + x2 = 0 + -2.611111111 Reorder the terms: 2.611111111 + -2.611111111 + -3.333333333x + x2 = 0 + -2.611111111 Combine like terms: 2.611111111 + -2.611111111 = 0.000000000 0.000000000 + -3.333333333x + x2 = 0 + -2.611111111 -3.333333333x + x2 = 0 + -2.611111111 Combine like terms: 0 + -2.611111111 = -2.611111111 -3.333333333x + x2 = -2.611111111 The x term is -3.333333333x. Take half its coefficient (-1.666666667). Square it (2.777777779) and add it to both sides. Add '2.777777779' to each side of the equation. -3.333333333x + 2.777777779 + x2 = -2.611111111 + 2.777777779 Reorder the terms: 2.777777779 + -3.333333333x + x2 = -2.611111111 + 2.777777779 Combine like terms: -2.611111111 + 2.777777779 = 0.166666668 2.777777779 + -3.333333333x + x2 = 0.166666668 Factor a perfect square on the left side: (x + -1.666666667)(x + -1.666666667) = 0.166666668 Calculate the square root of the right side: 0.408248292 Break this problem into two subproblems by setting (x + -1.666666667) equal to 0.408248292 and -0.408248292.Subproblem 1
x + -1.666666667 = 0.408248292 Simplifying x + -1.666666667 = 0.408248292 Reorder the terms: -1.666666667 + x = 0.408248292 Solving -1.666666667 + x = 0.408248292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.666666667' to each side of the equation. -1.666666667 + 1.666666667 + x = 0.408248292 + 1.666666667 Combine like terms: -1.666666667 + 1.666666667 = 0.000000000 0.000000000 + x = 0.408248292 + 1.666666667 x = 0.408248292 + 1.666666667 Combine like terms: 0.408248292 + 1.666666667 = 2.074914959 x = 2.074914959 Simplifying x = 2.074914959Subproblem 2
x + -1.666666667 = -0.408248292 Simplifying x + -1.666666667 = -0.408248292 Reorder the terms: -1.666666667 + x = -0.408248292 Solving -1.666666667 + x = -0.408248292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.666666667' to each side of the equation. -1.666666667 + 1.666666667 + x = -0.408248292 + 1.666666667 Combine like terms: -1.666666667 + 1.666666667 = 0.000000000 0.000000000 + x = -0.408248292 + 1.666666667 x = -0.408248292 + 1.666666667 Combine like terms: -0.408248292 + 1.666666667 = 1.258418375 x = 1.258418375 Simplifying x = 1.258418375Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.074914959, 1.258418375}Solution
x = {2.074914959, 1.258418375}
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