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Simplifying 4x4 + 13x2 + 5 = 0 Reorder the terms: 5 + 13x2 + 4x4 = 0 Solving 5 + 13x2 + 4x4 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1.25 + 3.25x2 + x4 = 0 Move the constant term to the right: Add '-1.25' to each side of the equation. 1.25 + 3.25x2 + -1.25 + x4 = 0 + -1.25 Reorder the terms: 1.25 + -1.25 + 3.25x2 + x4 = 0 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + 3.25x2 + x4 = 0 + -1.25 3.25x2 + x4 = 0 + -1.25 Combine like terms: 0 + -1.25 = -1.25 3.25x2 + x4 = -1.25 The x term is 3.25x2. Take half its coefficient (1.625). Square it (2.640625) and add it to both sides. Add '2.640625' to each side of the equation. 3.25x2 + 2.640625 + x4 = -1.25 + 2.640625 Reorder the terms: 2.640625 + 3.25x2 + x4 = -1.25 + 2.640625 Combine like terms: -1.25 + 2.640625 = 1.390625 2.640625 + 3.25x2 + x4 = 1.390625 Factor a perfect square on the left side: (x2 + 1.625)(x2 + 1.625) = 1.390625 Calculate the square root of the right side: 1.179247642 Break this problem into two subproblems by setting (x2 + 1.625) equal to 1.179247642 and -1.179247642.Subproblem 1
x2 + 1.625 = 1.179247642 Simplifying x2 + 1.625 = 1.179247642 Reorder the terms: 1.625 + x2 = 1.179247642 Solving 1.625 + x2 = 1.179247642 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.625' to each side of the equation. 1.625 + -1.625 + x2 = 1.179247642 + -1.625 Combine like terms: 1.625 + -1.625 = 0.000 0.000 + x2 = 1.179247642 + -1.625 x2 = 1.179247642 + -1.625 Combine like terms: 1.179247642 + -1.625 = -0.445752358 x2 = -0.445752358 Simplifying x2 = -0.445752358 Reorder the terms: 0.445752358 + x2 = -0.445752358 + 0.445752358 Combine like terms: -0.445752358 + 0.445752358 = 0.000000000 0.445752358 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined.Subproblem 2
x2 + 1.625 = -1.179247642 Simplifying x2 + 1.625 = -1.179247642 Reorder the terms: 1.625 + x2 = -1.179247642 Solving 1.625 + x2 = -1.179247642 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.625' to each side of the equation. 1.625 + -1.625 + x2 = -1.179247642 + -1.625 Combine like terms: 1.625 + -1.625 = 0.000 0.000 + x2 = -1.179247642 + -1.625 x2 = -1.179247642 + -1.625 Combine like terms: -1.179247642 + -1.625 = -2.804247642 x2 = -2.804247642 Simplifying x2 = -2.804247642 Reorder the terms: 2.804247642 + x2 = -2.804247642 + 2.804247642 Combine like terms: -2.804247642 + 2.804247642 = 0.000000000 2.804247642 + 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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