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Simplifying (7x + 3)(x + -8) = 0 Reorder the terms: (3 + 7x)(x + -8) = 0 Reorder the terms: (3 + 7x)(-8 + x) = 0 Multiply (3 + 7x) * (-8 + x) (3(-8 + x) + 7x * (-8 + x)) = 0 ((-8 * 3 + x * 3) + 7x * (-8 + x)) = 0 ((-24 + 3x) + 7x * (-8 + x)) = 0 (-24 + 3x + (-8 * 7x + x * 7x)) = 0 (-24 + 3x + (-56x + 7x2)) = 0 Combine like terms: 3x + -56x = -53x (-24 + -53x + 7x2) = 0 Solving -24 + -53x + 7x2 = 0 Solving for variable 'x'. Factor a trinomial. (-3 + -7x)(8 + -1x) = 0Subproblem 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 '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8Solution
x = {-0.4285714286, 8}
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