x^2+4x=2x^2-x+6

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Solution for x^2+4x=2x^2-x+6 equation:


Simplifying
x2 + 4x = 2x2 + -1x + 6

Reorder the terms:
4x + x2 = 2x2 + -1x + 6

Reorder the terms:
4x + x2 = 6 + -1x + 2x2

Solving
4x + x2 = 6 + -1x + 2x2

Solving for variable 'x'.

Reorder the terms:
-6 + 4x + x + x2 + -2x2 = 6 + -1x + 2x2 + -6 + x + -2x2

Combine like terms: 4x + x = 5x
-6 + 5x + x2 + -2x2 = 6 + -1x + 2x2 + -6 + x + -2x2

Combine like terms: x2 + -2x2 = -1x2
-6 + 5x + -1x2 = 6 + -1x + 2x2 + -6 + x + -2x2

Reorder the terms:
-6 + 5x + -1x2 = 6 + -6 + -1x + x + 2x2 + -2x2

Combine like terms: 6 + -6 = 0
-6 + 5x + -1x2 = 0 + -1x + x + 2x2 + -2x2
-6 + 5x + -1x2 = -1x + x + 2x2 + -2x2

Combine like terms: -1x + x = 0
-6 + 5x + -1x2 = 0 + 2x2 + -2x2
-6 + 5x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-6 + 5x + -1x2 = 0

Factor a trinomial.
(-3 + x)(2 + -1x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {3, 2}

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