3y^2-3=45

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Solution for 3y^2-3=45 equation: 


Simplifying
3y2 + -3 = 45

Reorder the terms:
-3 + 3y2 = 45

Solving
-3 + 3y2 = 45

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + 3y2 = 45 + 3

Combine like terms: -3 + 3 = 0
0 + 3y2 = 45 + 3
3y2 = 45 + 3

Combine like terms: 45 + 3 = 48
3y2 = 48

Divide each side by '3'.
y2 = 16

Simplifying
y2 = 16

Take the square root of each side:
y = {-4, 4}

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