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Simplifying
9x4y5(-5x3y3 + -3y3) = 0
(-5x3y3 * 9x4y5 + -3y3 * 9x4y5) = 0

Reorder the terms:
(-27x4y8 + -45x7y8) = 0
(-27x4y8 + -45x7y8) = 0

Solving
-27x4y8 + -45x7y8 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-9x4y8'.
-9x4y8(3 + 5x3) = 0

Ignore the factor -9.

Subproblem 1

Set the factor 'x4y8' equal to zero and attempt to solve: Simplifying x4y8 = 0 Solving x4y8 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x4y8 = 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 '(3 + 5x3)' equal to zero and attempt to solve: Simplifying 3 + 5x3 = 0 Solving 3 + 5x3 = 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 + 5x3 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x3 = 0 + -3 5x3 = 0 + -3 Combine like terms: 0 + -3 = -3 5x3 = -3 Divide each side by '5'. x3 = -0.6 Simplifying x3 = -0.6 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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