2n^2+n-6=4

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

Simplifying
2n2 + n + -6 = 4

Reorder the terms:
-6 + n + 2n2 = 4

Solving
-6 + n + 2n2 = 4

Solving for variable 'n'.

Reorder the terms:
-6 + -4 + n + 2n2 = 4 + -4

Combine like terms: -6 + -4 = -10
-10 + n + 2n2 = 4 + -4

Combine like terms: 4 + -4 = 0
-10 + n + 2n2 = 0

Factor a trinomial.
(-5 + -2n)(2 + -1n) = 0

Subproblem 1
Set the factor '(-5 + -2n)' equal to zero and attempt to solve:

Simplifying
-5 + -2n = 0

Solving
-5 + -2n = 0

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

Add '5' to each side of the equation.
-5 + 5 + -2n = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2n = 0 + 5
-2n = 0 + 5

Combine like terms: 0 + 5 = 5
-2n = 5

Divide each side by '-2'.
n = -2.5

Simplifying
n = -2.5
Subproblem 2
Set the factor '(2 + -1n)' equal to zero and attempt to solve:

Simplifying
2 + -1n = 0

Solving
2 + -1n = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1n = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1n = 0 + -2
-1n = 0 + -2

Combine like terms: 0 + -2 = -2
-1n = -2

Divide each side by '-1'.
n = 2

Simplifying
n = 2
Solution
n = {-2.5, 2}