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Simplifying 21xy4 + 7x2y2 = 0 Solving 21xy4 + 7x2y2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '7xy2'. 7xy2(3y2 + x) = 0 Ignore the factor 7.Subproblem 1
Set the factor 'xy2' equal to zero and attempt to solve: Simplifying xy2 = 0 Solving xy2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying xy2 = 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 '(3y2 + x)' equal to zero and attempt to solve: Simplifying 3y2 + x = 0 Reorder the terms: x + 3y2 = 0 Solving x + 3y2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-3y2' to each side of the equation. x + 3y2 + -3y2 = 0 + -3y2 Combine like terms: 3y2 + -3y2 = 0 x + 0 = 0 + -3y2 x = 0 + -3y2 Remove the zero: x = -3y2 Simplifying x = -3y2Solution
x = {-3y2}
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