2x^2+x=4x+2

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


Simplifying
2x2 + x = 4x + 2

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

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

Solving
x + 2x2 = 2 + 4x

Solving for variable 'x'.

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

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

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

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

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

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

Subproblem 1

Set the factor '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 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 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

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 = {-0.5, 2}

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