2x^2-4=x+2

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

Simplifying
2x2 + -4 = x + 2

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

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

Solving
-4 + 2x2 = 2 + x

Solving for variable 'x'.

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

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

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

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

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

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

Subproblem 1
Set the factor '(-3 + -2x)' equal to zero and attempt to solve:

Simplifying
-3 + -2x = 0

Solving
-3 + -2x = 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 + -2x = 0 + 3

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

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

Divide each side by '-2'.
x = -1.5

Simplifying
x = -1.5
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 = {-1.5, 2}