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Simplifying X * X + 4 = X + 6 Multiply X * X X2 + 4 = X + 6 Reorder the terms: 4 + X2 = X + 6 Reorder the terms: 4 + X2 = 6 + X Solving 4 + X2 = 6 + X Solving for variable 'X'. Reorder the terms: 4 + -6 + -1X + X2 = 6 + X + -6 + -1X Combine like terms: 4 + -6 = -2 -2 + -1X + X2 = 6 + X + -6 + -1X Reorder the terms: -2 + -1X + X2 = 6 + -6 + X + -1X Combine like terms: 6 + -6 = 0 -2 + -1X + X2 = 0 + X + -1X -2 + -1X + X2 = X + -1X Combine like terms: X + -1X = 0 -2 + -1X + X2 = 0 Factor a trinomial. (-1 + -1X)(2 + -1X) = 0Subproblem 1
Set the factor '(-1 + -1X)' equal to zero and attempt to solve: Simplifying -1 + -1X = 0 Solving -1 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1X = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1X = 0 + 1 -1X = 0 + 1 Combine like terms: 0 + 1 = 1 -1X = 1 Divide each side by '-1'. X = -1 Simplifying X = -1Subproblem 2
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 = {-1, 2}
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