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Simplifying
3b2 + -86 = -11
Reorder the terms:
-86 + 3b2 = -11
Solving
-86 + 3b2 = -11
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '86' to each side of the equation.
-86 + 86 + 3b2 = -11 + 86
Combine like terms: -86 + 86 = 0
0 + 3b2 = -11 + 86
3b2 = -11 + 86
Combine like terms: -11 + 86 = 75
3b2 = 75
Divide each side by '3'.
b2 = 25
Simplifying
b2 = 25
Take the square root of each side:
b = {-5, 5}
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