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Simplifying -4 = -11x2 + 7x Reorder the terms: -4 = 7x + -11x2 Solving -4 = 7x + -11x2 Solving for variable 'x'. Reorder the terms: -4 + -7x + 11x2 = 7x + -7x + -11x2 + 11x2 Combine like terms: 7x + -7x = 0 -4 + -7x + 11x2 = 0 + -11x2 + 11x2 -4 + -7x + 11x2 = -11x2 + 11x2 Combine like terms: -11x2 + 11x2 = 0 -4 + -7x + 11x2 = 0 Factor a trinomial. (-4 + -11x)(1 + -1x) = 0Subproblem 1
Set the factor '(-4 + -11x)' equal to zero and attempt to solve: Simplifying -4 + -11x = 0 Solving -4 + -11x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -11x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -11x = 0 + 4 -11x = 0 + 4 Combine like terms: 0 + 4 = 4 -11x = 4 Divide each side by '-11'. x = -0.3636363636 Simplifying x = -0.3636363636Subproblem 2
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 = 1Solution
x = {-0.3636363636, 1}
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