0=x(9x+5)

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Solution for 0=x(9x+5) equation:


Simplifying
0 = x(9x + 5)

Reorder the terms:
0 = x(5 + 9x)
0 = (5 * x + 9x * x)
0 = (5x + 9x2)

Solving
0 = 5x + 9x2

Solving for variable 'x'.
Remove the zero:
-5x + -9x2 = 5x + 9x2 + -5x + -9x2

Reorder the terms:
-5x + -9x2 = 5x + -5x + 9x2 + -9x2

Combine like terms: 5x + -5x = 0
-5x + -9x2 = 0 + 9x2 + -9x2
-5x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-5x + -9x2 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(5 + 9x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(5 + 9x)' equal to zero and attempt to solve: Simplifying 5 + 9x = 0 Solving 5 + 9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 9x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 9x = 0 + -5 9x = 0 + -5 Combine like terms: 0 + -5 = -5 9x = -5 Divide each side by '9'. x = -0.5555555556 Simplifying x = -0.5555555556

Solution

x = {0, -0.5555555556}

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