9x-2x^2=3x^2-2

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Solution for 9x-2x^2=3x^2-2 equation:


Simplifying
9x + -2x2 = 3x2 + -2

Reorder the terms:
9x + -2x2 = -2 + 3x2

Solving
9x + -2x2 = -2 + 3x2

Solving for variable 'x'.

Reorder the terms:
2 + 9x + -2x2 + -3x2 = -2 + 3x2 + 2 + -3x2

Combine like terms: -2x2 + -3x2 = -5x2
2 + 9x + -5x2 = -2 + 3x2 + 2 + -3x2

Reorder the terms:
2 + 9x + -5x2 = -2 + 2 + 3x2 + -3x2

Combine like terms: -2 + 2 = 0
2 + 9x + -5x2 = 0 + 3x2 + -3x2
2 + 9x + -5x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
2 + 9x + -5x2 = 0

Factor a trinomial.
(2 + -1x)(1 + 5x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(1 + 5x)' equal to zero and attempt to solve: Simplifying 1 + 5x = 0 Solving 1 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5x = 0 + -1 5x = 0 + -1 Combine like terms: 0 + -1 = -1 5x = -1 Divide each side by '5'. x = -0.2 Simplifying x = -0.2

Solution

x = {2, -0.2}

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