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Simplifying
5b2 + -2 = 278
Reorder the terms:
-2 + 5b2 = 278
Solving
-2 + 5b2 = 278
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 5b2 = 278 + 2
Combine like terms: -2 + 2 = 0
0 + 5b2 = 278 + 2
5b2 = 278 + 2
Combine like terms: 278 + 2 = 280
5b2 = 280
Divide each side by '5'.
b2 = 56
Simplifying
b2 = 56
Take the square root of each side:
b = {-7.483314774, 7.483314774}
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