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Simplifying (9x4) + -1(3x2) + -1 = 0 Remove parenthesis around (3x2) (9x4) + -1 * 3x2 + -1 = 0 Multiply -1 * 3 (9x4) + -3x2 + -1 = 0 Reorder the terms: -1 + -3x2 + (9x4) = 0 Solving -1 + -3x2 + (9x4) = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.1111111111 + -0.3333333333x2 + x4 = 0 Move the constant term to the right: Add '0.1111111111' to each side of the equation. -0.1111111111 + -0.3333333333x2 + 0.1111111111 + x4 = 0 + 0.1111111111 Reorder the terms: -0.1111111111 + 0.1111111111 + -0.3333333333x2 + x4 = 0 + 0.1111111111 Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000 0.0000000000 + -0.3333333333x2 + x4 = 0 + 0.1111111111 -0.3333333333x2 + x4 = 0 + 0.1111111111 Combine like terms: 0 + 0.1111111111 = 0.1111111111 -0.3333333333x2 + x4 = 0.1111111111 The x term is -0.3333333333x2. Take half its coefficient (-0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. -0.3333333333x2 + 0.02777777779 + x4 = 0.1111111111 + 0.02777777779 Reorder the terms: 0.02777777779 + -0.3333333333x2 + x4 = 0.1111111111 + 0.02777777779 Combine like terms: 0.1111111111 + 0.02777777779 = 0.13888888889 0.02777777779 + -0.3333333333x2 + x4 = 0.13888888889 Factor a perfect square on the left side: ((x2) + -0.1666666667)((x2) + -0.1666666667) = 0.13888888889 Calculate the square root of the right side: 0.372677996 Break this problem into two subproblems by setting ((x2) + -0.1666666667) equal to 0.372677996 and -0.372677996.Subproblem 1
(x2) + -0.1666666667 = 0.372677996 Simplifying (x2) + -0.1666666667 = 0.372677996 x2 + -0.1666666667 = 0.372677996 Reorder the terms: -0.1666666667 + x2 = 0.372677996 Solving -0.1666666667 + x2 = 0.372677996 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x2 = 0.372677996 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x2 = 0.372677996 + 0.1666666667 x2 = 0.372677996 + 0.1666666667 Combine like terms: 0.372677996 + 0.1666666667 = 0.5393446627 x2 = 0.5393446627 Simplifying x2 = 0.5393446627 Take the square root of each side: x = {-0.734400887, 0.734400887}Subproblem 2
(x2) + -0.1666666667 = -0.372677996 Simplifying (x2) + -0.1666666667 = -0.372677996 x2 + -0.1666666667 = -0.372677996 Reorder the terms: -0.1666666667 + x2 = -0.372677996 Solving -0.1666666667 + x2 = -0.372677996 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x2 = -0.372677996 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x2 = -0.372677996 + 0.1666666667 x2 = -0.372677996 + 0.1666666667 Combine like terms: -0.372677996 + 0.1666666667 = -0.2060113293 x2 = -0.2060113293 Simplifying x2 = -0.2060113293 Reorder the terms: 0.2060113293 + x2 = -0.2060113293 + 0.2060113293 Combine like terms: -0.2060113293 + 0.2060113293 = 0.0000000000 0.2060113293 + x2 = 0.0000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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