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Simplifying x4 + -4x2 + -77 = 0 Reorder the terms: -77 + -4x2 + x4 = 0 Solving -77 + -4x2 + x4 = 0 Solving for variable 'x'. Factor a trinomial. (-7 + -1x2)(11 + -1x2) = 0Subproblem 1
Set the factor '(-7 + -1x2)' equal to zero and attempt to solve: Simplifying -7 + -1x2 = 0 Solving -7 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x2 = 0 + 7 -1x2 = 0 + 7 Combine like terms: 0 + 7 = 7 -1x2 = 7 Divide each side by '-1'. x2 = -7 Simplifying x2 = -7 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 '(11 + -1x2)' equal to zero and attempt to solve: Simplifying 11 + -1x2 = 0 Solving 11 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x2 = 0 + -11 -1x2 = 0 + -11 Combine like terms: 0 + -11 = -11 -1x2 = -11 Divide each side by '-1'. x2 = 11 Simplifying x2 = 11 Take the square root of each side: x = {-3.31662479, 3.31662479}Solution
x = {-3.31662479, 3.31662479}
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