12y^2+15=45

Solution for 12y^2+15=45 equation:

Simplifying
12y2 + 15 = 45

Reorder the terms:
15 + 12y2 = 45

Solving
15 + 12y2 = 45

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + 12y2 = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 12y2 = 45 + -15
12y2 = 45 + -15

Combine like terms: 45 + -15 = 30
12y2 = 30

Divide each side by '12'.
y2 = 2.5

Simplifying
y2 = 2.5

Take the square root of each side:
y = {-1.58113883, 1.58113883}