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Simplifying
-8 + -3b2 = -71
Solving
-8 + -3b2 = -71
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + -3b2 = -71 + 8
Combine like terms: -8 + 8 = 0
0 + -3b2 = -71 + 8
-3b2 = -71 + 8
Combine like terms: -71 + 8 = -63
-3b2 = -63
Divide each side by '-3'.
b2 = 21
Simplifying
b2 = 21
Take the square root of each side:
b = {-4.582575695, 4.582575695}
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