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Simplifying 3x9 + -120x7 = 0 Reorder the terms: -120x7 + 3x9 = 0 Solving -120x7 + 3x9 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3x7'. 3x7(-40 + x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor 'x7' equal to zero and attempt to solve: Simplifying x7 = 0 Solving x7 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x7 = 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 '(-40 + x2)' equal to zero and attempt to solve: Simplifying -40 + x2 = 0 Solving -40 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '40' to each side of the equation. -40 + 40 + x2 = 0 + 40 Combine like terms: -40 + 40 = 0 0 + x2 = 0 + 40 x2 = 0 + 40 Combine like terms: 0 + 40 = 40 x2 = 40 Simplifying x2 = 40 Take the square root of each side: x = {-6.32455532, 6.32455532}Solution
x = {-6.32455532, 6.32455532}
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