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Simplifying (x2 + 5)(x2 + -5) = 0 Reorder the terms: (5 + x2)(x2 + -5) = 0 Reorder the terms: (5 + x2)(-5 + x2) = 0 Multiply (5 + x2) * (-5 + x2) (5(-5 + x2) + x2(-5 + x2)) = 0 ((-5 * 5 + x2 * 5) + x2(-5 + x2)) = 0 ((-25 + 5x2) + x2(-5 + x2)) = 0 (-25 + 5x2 + (-5 * x2 + x2 * x2)) = 0 (-25 + 5x2 + (-5x2 + x4)) = 0 Combine like terms: 5x2 + -5x2 = 0 (-25 + 0 + x4) = 0 (-25 + x4) = 0 Solving -25 + x4 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x4 = 0 + 25 Combine like terms: -25 + 25 = 0 0 + x4 = 0 + 25 x4 = 0 + 25 Combine like terms: 0 + 25 = 25 x4 = 25 Simplifying x4 = 25 Reorder the terms: -25 + x4 = 25 + -25 Combine like terms: 25 + -25 = 0 -25 + x4 = 0 Factor a difference between two squares. (5 + x2)(-5 + x2) = 0Subproblem 1
Set the factor '(5 + x2)' equal to zero and attempt to solve: Simplifying 5 + x2 = 0 Solving 5 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x2 = 0 + -5 x2 = 0 + -5 Combine like terms: 0 + -5 = -5 x2 = -5 Simplifying x2 = -5 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 '(-5 + x2)' equal to zero and attempt to solve: Simplifying -5 + x2 = 0 Solving -5 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x2 = 0 + 5 x2 = 0 + 5 Combine like terms: 0 + 5 = 5 x2 = 5 Simplifying x2 = 5 Take the square root of each side: x = {-2.236067978, 2.236067978}Solution
x = {-2.236067978, 2.236067978}
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