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Simplifying (6x2 + 4x + 2) + (8x2 + 7x) = 0 Reorder the terms: (2 + 4x + 6x2) + (8x2 + 7x) = 0 Remove parenthesis around (2 + 4x + 6x2) 2 + 4x + 6x2 + (8x2 + 7x) = 0 Reorder the terms: 2 + 4x + 6x2 + (7x + 8x2) = 0 Remove parenthesis around (7x + 8x2) 2 + 4x + 6x2 + 7x + 8x2 = 0 Reorder the terms: 2 + 4x + 7x + 6x2 + 8x2 = 0 Combine like terms: 4x + 7x = 11x 2 + 11x + 6x2 + 8x2 = 0 Combine like terms: 6x2 + 8x2 = 14x2 2 + 11x + 14x2 = 0 Solving 2 + 11x + 14x2 = 0 Solving for variable 'x'. Factor a trinomial. (1 + 2x)(2 + 7x) = 0Subproblem 1
Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 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 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5Subproblem 2
Set the factor '(2 + 7x)' equal to zero and attempt to solve: Simplifying 2 + 7x = 0 Solving 2 + 7x = 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 + 7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7x = 0 + -2 7x = 0 + -2 Combine like terms: 0 + -2 = -2 7x = -2 Divide each side by '7'. x = -0.2857142857 Simplifying x = -0.2857142857Solution
x = {-0.5, -0.2857142857}
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