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Simplifying
6b2 + 3 = 81
Reorder the terms:
3 + 6b2 = 81
Solving
3 + 6b2 = 81
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 + 6b2 = 81 + -3
Combine like terms: 3 + -3 = 0
0 + 6b2 = 81 + -3
6b2 = 81 + -3
Combine like terms: 81 + -3 = 78
6b2 = 78
Divide each side by '6'.
b2 = 13
Simplifying
b2 = 13
Take the square root of each side:
b = {-3.605551275, 3.605551275}
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