3(x^2+2)-4x=2x^2+3

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Solution for 3(x^2+2)-4x=2x^2+3 equation:


Simplifying
3(x2 + 2) + -4x = 2x2 + 3

Reorder the terms:
3(2 + x2) + -4x = 2x2 + 3
(2 * 3 + x2 * 3) + -4x = 2x2 + 3
(6 + 3x2) + -4x = 2x2 + 3

Reorder the terms:
6 + -4x + 3x2 = 2x2 + 3

Reorder the terms:
6 + -4x + 3x2 = 3 + 2x2

Solving
6 + -4x + 3x2 = 3 + 2x2

Solving for variable 'x'.

Reorder the terms:
6 + -3 + -4x + 3x2 + -2x2 = 3 + 2x2 + -3 + -2x2

Combine like terms: 6 + -3 = 3
3 + -4x + 3x2 + -2x2 = 3 + 2x2 + -3 + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
3 + -4x + 1x2 = 3 + 2x2 + -3 + -2x2

Reorder the terms:
3 + -4x + 1x2 = 3 + -3 + 2x2 + -2x2

Combine like terms: 3 + -3 = 0
3 + -4x + 1x2 = 0 + 2x2 + -2x2
3 + -4x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
3 + -4x + 1x2 = 0

Factor a trinomial.
(1 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {1, 3}

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