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Simplifying x(-7x3)(3x2 + -1) = 0 Remove parenthesis around (-7x3) x * -7x3(3x2 + -1) = 0 Reorder the terms: x * -7x3(-1 + 3x2) = 0 Reorder the terms for easier multiplication: -7x * x3(-1 + 3x2) = 0 Multiply x * x3 -7x4(-1 + 3x2) = 0 (-1 * -7x4 + 3x2 * -7x4) = 0 (7x4 + -21x6) = 0 Solving 7x4 + -21x6 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '7x4'. 7x4(1 + -3x2) = 0 Ignore the factor 7.Subproblem 1
Set the factor 'x4' equal to zero and attempt to solve: Simplifying x4 = 0 Solving x4 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(1 + -3x2)' equal to zero and attempt to solve: Simplifying 1 + -3x2 = 0 Solving 1 + -3x2 = 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 + -3x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x2 = 0 + -1 -3x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -3x2 = -1 Divide each side by '-3'. x2 = 0.3333333333 Simplifying x2 = 0.3333333333 Take the square root of each side: x = {-0.577350269, 0.577350269}Solution
x = {-0.577350269, 0.577350269}
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