2(x^2-1)+3x=4x^2-x

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Solution for 2(x^2-1)+3x=4x^2-x equation:


Simplifying
2(x2 + -1) + 3x = 4x2 + -1x

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

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

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

Solving
-2 + 3x + 2x2 = -1x + 4x2

Solving for variable 'x'.

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

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

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

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

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

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

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + 2x + -1x2) = 0

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

x = {1, 1}

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