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Simplifying x4 + x2 + -45 = 0 Reorder the terms: -45 + x2 + x4 = 0 Solving -45 + x2 + x4 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '45' to each side of the equation. -45 + x2 + 45 + x4 = 0 + 45 Reorder the terms: -45 + 45 + x2 + x4 = 0 + 45 Combine like terms: -45 + 45 = 0 0 + x2 + x4 = 0 + 45 x2 + x4 = 0 + 45 Combine like terms: 0 + 45 = 45 x2 + x4 = 45 The x term is x2. 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. x2 + 0.25 + x4 = 45 + 0.25 Reorder the terms: 0.25 + x2 + x4 = 45 + 0.25 Combine like terms: 45 + 0.25 = 45.25 0.25 + x2 + x4 = 45.25 Factor a perfect square on the left side: (x2 + 0.5)(x2 + 0.5) = 45.25 Calculate the square root of the right side: 6.726812024 Break this problem into two subproblems by setting (x2 + 0.5) equal to 6.726812024 and -6.726812024.Subproblem 1
x2 + 0.5 = 6.726812024 Simplifying x2 + 0.5 = 6.726812024 Reorder the terms: 0.5 + x2 = 6.726812024 Solving 0.5 + x2 = 6.726812024 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 + x2 = 6.726812024 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x2 = 6.726812024 + -0.5 x2 = 6.726812024 + -0.5 Combine like terms: 6.726812024 + -0.5 = 6.226812024 x2 = 6.226812024 Simplifying x2 = 6.226812024 Take the square root of each side: x = {-2.495358095, 2.495358095}Subproblem 2
x2 + 0.5 = -6.726812024 Simplifying x2 + 0.5 = -6.726812024 Reorder the terms: 0.5 + x2 = -6.726812024 Solving 0.5 + x2 = -6.726812024 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 + x2 = -6.726812024 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x2 = -6.726812024 + -0.5 x2 = -6.726812024 + -0.5 Combine like terms: -6.726812024 + -0.5 = -7.226812024 x2 = -7.226812024 Simplifying x2 = -7.226812024 Reorder the terms: 7.226812024 + x2 = -7.226812024 + 7.226812024 Combine like terms: -7.226812024 + 7.226812024 = 0.000000000 7.226812024 + 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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