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Simplifying (7x + 3)(x + 2) = 0 Reorder the terms: (3 + 7x)(x + 2) = 0 Reorder the terms: (3 + 7x)(2 + x) = 0 Multiply (3 + 7x) * (2 + x) (3(2 + x) + 7x * (2 + x)) = 0 ((2 * 3 + x * 3) + 7x * (2 + x)) = 0 ((6 + 3x) + 7x * (2 + x)) = 0 (6 + 3x + (2 * 7x + x * 7x)) = 0 (6 + 3x + (14x + 7x2)) = 0 Combine like terms: 3x + 14x = 17x (6 + 17x + 7x2) = 0 Solving 6 + 17x + 7x2 = 0 Solving for variable 'x'. Factor a trinomial. (2 + x)(3 + 7x) = 0Subproblem 1
Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2Subproblem 2
Set the factor '(3 + 7x)' equal to zero and attempt to solve: Simplifying 3 + 7x = 0 Solving 3 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7x = 0 + -3 7x = 0 + -3 Combine like terms: 0 + -3 = -3 7x = -3 Divide each side by '7'. x = -0.4285714286 Simplifying x = -0.4285714286Solution
x = {-2, -0.4285714286}
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