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Simplifying 4x4 + x2 = 68 Reorder the terms: x2 + 4x4 = 68 Solving x2 + 4x4 = 68 Solving for variable 'x'. Reorder the terms: -68 + x2 + 4x4 = 68 + -68 Combine like terms: 68 + -68 = 0 -68 + x2 + 4x4 = 0 Factor a trinomial. (-17 + -4x2)(4 + -1x2) = 0 Factor a difference between two squares. (-17 + -4x2)((2 + x)(2 + -1x)) = 0Subproblem 1
Set the factor '(-17 + -4x2)' equal to zero and attempt to solve: Simplifying -17 + -4x2 = 0 Solving -17 + -4x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -4x2 = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -4x2 = 0 + 17 -4x2 = 0 + 17 Combine like terms: 0 + 17 = 17 -4x2 = 17 Divide each side by '-4'. x2 = -4.25 Simplifying x2 = -4.25 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2Subproblem 3
Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2Solution
x = {-2, 2}
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