75=15x^2

Solution for 75=15x^2 equation:

Simplifying
75 = 15x2

Solving
75 = 15x2

Solving for variable 'x'.

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

Add '-15x2' to each side of the equation.
75 + -15x2 = 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
75 + -15x2 = 0

Add '-75' to each side of the equation.
75 + -75 + -15x2 = 0 + -75

Combine like terms: 75 + -75 = 0
0 + -15x2 = 0 + -75
-15x2 = 0 + -75

Combine like terms: 0 + -75 = -75
-15x2 = -75

Divide each side by '-15'.
x2 = 5

Simplifying
x2 = 5

Take the square root of each side:
x = {-2.236067978, 2.236067978}