75=y^2

Solution for 75=y^2 equation:

Simplifying
75 = y2

Solving
75 = y2

Solving for variable 'y'.

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

Add '-1y2' to each side of the equation.
75 + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
75 + -1y2 = 0

Add '-75' to each side of the equation.
75 + -75 + -1y2 = 0 + -75

Combine like terms: 75 + -75 = 0
0 + -1y2 = 0 + -75
-1y2 = 0 + -75

Combine like terms: 0 + -75 = -75
-1y2 = -75

Divide each side by '-1'.
y2 = 75

Simplifying
y2 = 75

Take the square root of each side:
y = {-8.660254038, 8.660254038}