3b^2-3=45

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


Simplifying
3b2 + -3 = 45

Reorder the terms:
-3 + 3b2 = 45

Solving
-3 + 3b2 = 45

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + 3b2 = 45 + 3

Combine like terms: -3 + 3 = 0
0 + 3b2 = 45 + 3
3b2 = 45 + 3

Combine like terms: 45 + 3 = 48
3b2 = 48

Divide each side by '3'.
b2 = 16

Simplifying
b2 = 16

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

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