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Simplifying x4 + -6x2 + -4 = 0 Reorder the terms: -4 + -6x2 + x4 = 0 Solving -4 + -6x2 + x4 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + -6x2 + 4 + x4 = 0 + 4 Reorder the terms: -4 + 4 + -6x2 + x4 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -6x2 + x4 = 0 + 4 -6x2 + x4 = 0 + 4 Combine like terms: 0 + 4 = 4 -6x2 + x4 = 4 The x term is -6x2. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6x2 + 9 + x4 = 4 + 9 Reorder the terms: 9 + -6x2 + x4 = 4 + 9 Combine like terms: 4 + 9 = 13 9 + -6x2 + x4 = 13 Factor a perfect square on the left side: (x2 + -3)(x2 + -3) = 13 Calculate the square root of the right side: 3.605551275 Break this problem into two subproblems by setting (x2 + -3) equal to 3.605551275 and -3.605551275.Subproblem 1
x2 + -3 = 3.605551275 Simplifying x2 + -3 = 3.605551275 Reorder the terms: -3 + x2 = 3.605551275 Solving -3 + x2 = 3.605551275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x2 = 3.605551275 + 3 Combine like terms: -3 + 3 = 0 0 + x2 = 3.605551275 + 3 x2 = 3.605551275 + 3 Combine like terms: 3.605551275 + 3 = 6.605551275 x2 = 6.605551275 Simplifying x2 = 6.605551275 Take the square root of each side: x = {-2.570126704, 2.570126704}Subproblem 2
x2 + -3 = -3.605551275 Simplifying x2 + -3 = -3.605551275 Reorder the terms: -3 + x2 = -3.605551275 Solving -3 + x2 = -3.605551275 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x2 = -3.605551275 + 3 Combine like terms: -3 + 3 = 0 0 + x2 = -3.605551275 + 3 x2 = -3.605551275 + 3 Combine like terms: -3.605551275 + 3 = -0.605551275 x2 = -0.605551275 Simplifying x2 = -0.605551275 Reorder the terms: 0.605551275 + x2 = -0.605551275 + 0.605551275 Combine like terms: -0.605551275 + 0.605551275 = 0.000000000 0.605551275 + 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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