=(6x+9)x

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Solution for =(6x+9)x equation:


Simplifying
0 = (6x + 9) * x

Reorder the terms:
0 = (9 + 6x) * x

Reorder the terms for easier multiplication:
0 = x(9 + 6x)
0 = (9 * x + 6x * x)
0 = (9x + 6x2)

Solving
0 = 9x + 6x2

Solving for variable 'x'.
Remove the zero:
-9x + -6x2 = 9x + 6x2 + -9x + -6x2

Reorder the terms:
-9x + -6x2 = 9x + -9x + 6x2 + -6x2

Combine like terms: 9x + -9x = 0
-9x + -6x2 = 0 + 6x2 + -6x2
-9x + -6x2 = 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
-9x + -6x2 = 0

Factor out the Greatest Common Factor (GCF), '-3x'.
-3x(3 + 2x) = 0

Ignore the factor -3.

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 '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {0, -1.5}

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