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Simplifying (2x + 3)(3 + -2x) = x(14x) Reorder the terms: (3 + 2x)(3 + -2x) = x(14x) Multiply (3 + 2x) * (3 + -2x) (3(3 + -2x) + 2x * (3 + -2x)) = x(14x) ((3 * 3 + -2x * 3) + 2x * (3 + -2x)) = x(14x) ((9 + -6x) + 2x * (3 + -2x)) = x(14x) (9 + -6x + (3 * 2x + -2x * 2x)) = x(14x) (9 + -6x + (6x + -4x2)) = x(14x) Combine like terms: -6x + 6x = 0 (9 + 0 + -4x2) = x(14x) (9 + -4x2) = x(14x) Remove parenthesis around (14x) 9 + -4x2 = x * 14x Reorder the terms for easier multiplication: 9 + -4x2 = 14x * x Multiply x * x 9 + -4x2 = 14x2 Solving 9 + -4x2 = 14x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14x2' to each side of the equation. 9 + -4x2 + -14x2 = 14x2 + -14x2 Combine like terms: -4x2 + -14x2 = -18x2 9 + -18x2 = 14x2 + -14x2 Combine like terms: 14x2 + -14x2 = 0 9 + -18x2 = 0 Add '-9' to each side of the equation. 9 + -9 + -18x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -18x2 = 0 + -9 -18x2 = 0 + -9 Combine like terms: 0 + -9 = -9 -18x2 = -9 Divide each side by '-18'. x2 = 0.5 Simplifying x2 = 0.5 Take the square root of each side: x = {-0.707106781, 0.707106781}
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