9x^2+9x=6x^2+2x

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Solution for 9x^2+9x=6x^2+2x equation:


Simplifying
9x2 + 9x = 6x2 + 2x

Reorder the terms:
9x + 9x2 = 6x2 + 2x

Reorder the terms:
9x + 9x2 = 2x + 6x2

Solving
9x + 9x2 = 2x + 6x2

Solving for variable 'x'.

Reorder the terms:
9x + -2x + 9x2 + -6x2 = 2x + 6x2 + -2x + -6x2

Combine like terms: 9x + -2x = 7x
7x + 9x2 + -6x2 = 2x + 6x2 + -2x + -6x2

Combine like terms: 9x2 + -6x2 = 3x2
7x + 3x2 = 2x + 6x2 + -2x + -6x2

Reorder the terms:
7x + 3x2 = 2x + -2x + 6x2 + -6x2

Combine like terms: 2x + -2x = 0
7x + 3x2 = 0 + 6x2 + -6x2
7x + 3x2 = 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
7x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(7 + 3x) = 0

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 '(7 + 3x)' equal to zero and attempt to solve: Simplifying 7 + 3x = 0 Solving 7 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = 0 + -7 3x = 0 + -7 Combine like terms: 0 + -7 = -7 3x = -7 Divide each side by '3'. x = -2.333333333 Simplifying x = -2.333333333

Solution

x = {0, -2.333333333}

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