15n^2-13-7=0

Solution for 15n^2-13-7=0 equation:

Simplifying
15n2 + -13 + -7 = 0

Reorder the terms:
-13 + -7 + 15n2 = 0

Combine like terms: -13 + -7 = -20
-20 + 15n2 = 0

Solving
-20 + 15n2 = 0

Solving for variable 'n'.

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

Add '20' to each side of the equation.
-20 + 20 + 15n2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 15n2 = 0 + 20
15n2 = 0 + 20

Combine like terms: 0 + 20 = 20
15n2 = 20

Divide each side by '15'.
n2 = 1.333333333

Simplifying
n2 = 1.333333333

Take the square root of each side:
n = {-1.154700538, 1.154700538}