15n^2-3=4n

Solution for 15n^2-3=4n equation:

Simplifying
15n2 + -3 = 4n

Reorder the terms:
-3 + 15n2 = 4n

Solving
-3 + 15n2 = 4n

Solving for variable 'n'.

Reorder the terms:
-3 + -4n + 15n2 = 4n + -4n

Combine like terms: 4n + -4n = 0
-3 + -4n + 15n2 = 0

Factor a trinomial.
(-1 + -3n)(3 + -5n) = 0

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

Simplifying
-1 + -3n = 0

Solving
-1 + -3n = 0

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

Add '1' to each side of the equation.
-1 + 1 + -3n = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -3n = 0 + 1
-3n = 0 + 1

Combine like terms: 0 + 1 = 1
-3n = 1

Divide each side by '-3'.
n = -0.3333333333

Simplifying
n = -0.3333333333
Subproblem 2
Set the factor '(3 + -5n)' equal to zero and attempt to solve:

Simplifying
3 + -5n = 0

Solving
3 + -5n = 0

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

Add '-3' to each side of the equation.
3 + -3 + -5n = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -5n = 0 + -3
-5n = 0 + -3

Combine like terms: 0 + -3 = -3
-5n = -3

Divide each side by '-5'.
n = 0.6

Simplifying
n = 0.6
Solution
n = {-0.3333333333, 0.6}