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Simplifying
36b2 + 3 = 84
Reorder the terms:
3 + 36b2 = 84
Solving
3 + 36b2 = 84
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 + 36b2 = 84 + -3
Combine like terms: 3 + -3 = 0
0 + 36b2 = 84 + -3
36b2 = 84 + -3
Combine like terms: 84 + -3 = 81
36b2 = 81
Divide each side by '36'.
b2 = 2.25
Simplifying
b2 = 2.25
Take the square root of each side:
b = {-1.5, 1.5}
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