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Simplifying 9x3a + 9x2a2 = 0 Solving 9ax3 + 9a2x2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '9ax2'. 9ax2(x + a) = 0 Ignore the factor 9.Subproblem 1
Set the factor 'ax2' equal to zero and attempt to solve: Simplifying ax2 = 0 Solving ax2 = 0 Move all terms containing a to the left, all other terms to the right. Simplifying ax2 = 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 '(x + a)' equal to zero and attempt to solve: Simplifying x + a = 0 Reorder the terms: a + x = 0 Solving a + x = 0 Move all terms containing a to the left, all other terms to the right. Add '-1x' to each side of the equation. a + x + -1x = 0 + -1x Combine like terms: x + -1x = 0 a + 0 = 0 + -1x a = 0 + -1x Remove the zero: a = -1x Simplifying a = -1xSolution
a = {-1x}
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