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Simplifying (4x + -6)(7x + 3) = 0 Reorder the terms: (-6 + 4x)(7x + 3) = 0 Reorder the terms: (-6 + 4x)(3 + 7x) = 0 Multiply (-6 + 4x) * (3 + 7x) (-6(3 + 7x) + 4x * (3 + 7x)) = 0 ((3 * -6 + 7x * -6) + 4x * (3 + 7x)) = 0 ((-18 + -42x) + 4x * (3 + 7x)) = 0 (-18 + -42x + (3 * 4x + 7x * 4x)) = 0 (-18 + -42x + (12x + 28x2)) = 0 Combine like terms: -42x + 12x = -30x (-18 + -30x + 28x2) = 0 Solving -18 + -30x + 28x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-9 + -15x + 14x2) = 0 Factor a trinomial. 2((-3 + -7x)(3 + -2x)) = 0 Ignore the factor 2.Subproblem 1
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 = -0.4285714286Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5Solution
x = {-0.4285714286, 1.5}
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