2x^2-3x-1=x^2+x-5

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Solution for 2x^2-3x-1=x^2+x-5 equation:


Simplifying
2x2 + -3x + -1 = x2 + x + -5

Reorder the terms:
-1 + -3x + 2x2 = x2 + x + -5

Reorder the terms:
-1 + -3x + 2x2 = -5 + x + x2

Solving
-1 + -3x + 2x2 = -5 + x + x2

Solving for variable 'x'.

Reorder the terms:
-1 + 5 + -3x + -1x + 2x2 + -1x2 = -5 + x + x2 + 5 + -1x + -1x2

Combine like terms: -1 + 5 = 4
4 + -3x + -1x + 2x2 + -1x2 = -5 + x + x2 + 5 + -1x + -1x2

Combine like terms: -3x + -1x = -4x
4 + -4x + 2x2 + -1x2 = -5 + x + x2 + 5 + -1x + -1x2

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

Reorder the terms:
4 + -4x + 1x2 = -5 + 5 + x + -1x + x2 + -1x2

Combine like terms: -5 + 5 = 0
4 + -4x + 1x2 = 0 + x + -1x + x2 + -1x2
4 + -4x + 1x2 = x + -1x + x2 + -1x2

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

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

Factor a trinomial.
(2 + -1x)(2 + -1x) = 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 '(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 = {2, 2}

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