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Simplifying 3x4 + 6x2 + -1 = 0 Reorder the terms: -1 + 6x2 + 3x4 = 0 Solving -1 + 6x2 + 3x4 = 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'. -0.3333333333 + 2x2 + x4 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + 2x2 + 0.3333333333 + x4 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + 2x2 + x4 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + 2x2 + x4 = 0 + 0.3333333333 2x2 + x4 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 2x2 + x4 = 0.3333333333 The x term is 2x2. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x2 + 1 + x4 = 0.3333333333 + 1 Reorder the terms: 1 + 2x2 + x4 = 0.3333333333 + 1 Combine like terms: 0.3333333333 + 1 = 1.3333333333 1 + 2x2 + x4 = 1.3333333333 Factor a perfect square on the left side: (x2 + 1)(x2 + 1) = 1.3333333333 Calculate the square root of the right side: 1.154700538 Break this problem into two subproblems by setting (x2 + 1) equal to 1.154700538 and -1.154700538.Subproblem 1
x2 + 1 = 1.154700538 Simplifying x2 + 1 = 1.154700538 Reorder the terms: 1 + x2 = 1.154700538 Solving 1 + x2 = 1.154700538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x2 = 1.154700538 + -1 Combine like terms: 1 + -1 = 0 0 + x2 = 1.154700538 + -1 x2 = 1.154700538 + -1 Combine like terms: 1.154700538 + -1 = 0.154700538 x2 = 0.154700538 Simplifying x2 = 0.154700538 Take the square root of each side: x = {-0.393319893, 0.393319893}Subproblem 2
x2 + 1 = -1.154700538 Simplifying x2 + 1 = -1.154700538 Reorder the terms: 1 + x2 = -1.154700538 Solving 1 + x2 = -1.154700538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x2 = -1.154700538 + -1 Combine like terms: 1 + -1 = 0 0 + x2 = -1.154700538 + -1 x2 = -1.154700538 + -1 Combine like terms: -1.154700538 + -1 = -2.154700538 x2 = -2.154700538 Simplifying x2 = -2.154700538 Reorder the terms: 2.154700538 + x2 = -2.154700538 + 2.154700538 Combine like terms: -2.154700538 + 2.154700538 = 0.000000000 2.154700538 + x2 = 0.000000000 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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