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

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

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

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

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

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

Solving for variable 'x'.

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

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

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

Reorder the terms:
-6 + -5x + 1x2 = 4x + -4x + x2 + -1x2

Combine like terms: 4x + -4x = 0
-6 + -5x + 1x2 = 0 + x2 + -1x2
-6 + -5x + 1x2 = x2 + -1x2

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

Factor a trinomial.
(-1 + -1x)(6 + -1x) = 0

Subproblem 1
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
Subproblem 2
Set the factor '(6 + -1x)' equal to zero and attempt to solve:

Simplifying
6 + -1x = 0

Solving
6 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-6' to each side of the equation.
6 + -6 + -1x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = 0 + -6
-1x = 0 + -6

Combine like terms: 0 + -6 = -6
-1x = -6

Divide each side by '-1'.
x = 6

Simplifying
x = 6
Solution
x = {-1, 6}