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

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


Simplifying
2x + 6 = x2 + x + 4

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

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

Solving
6 + 2x = 4 + x + x2

Solving for variable 'x'.

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

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

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

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

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

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

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

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

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