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Simplifying 2(3x2 + -1) + 7x = 18x Reorder the terms: 2(-1 + 3x2) + 7x = 18x (-1 * 2 + 3x2 * 2) + 7x = 18x (-2 + 6x2) + 7x = 18x Reorder the terms: -2 + 7x + 6x2 = 18x Solving -2 + 7x + 6x2 = 18x Solving for variable 'x'. Reorder the terms: -2 + 7x + -18x + 6x2 = 18x + -18x Combine like terms: 7x + -18x = -11x -2 + -11x + 6x2 = 18x + -18x Combine like terms: 18x + -18x = 0 -2 + -11x + 6x2 = 0 Factor a trinomial. (-1 + -6x)(2 + -1x) = 0Subproblem 1
Set the factor '(-1 + -6x)' equal to zero and attempt to solve: Simplifying -1 + -6x = 0 Solving -1 + -6x = 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 + -6x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -6x = 0 + 1 -6x = 0 + 1 Combine like terms: 0 + 1 = 1 -6x = 1 Divide each side by '-6'. x = -0.1666666667 Simplifying x = -0.1666666667Subproblem 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 = {-0.1666666667, 2}
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