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Simplifying
9b2 + -9 = 279
Reorder the terms:
-9 + 9b2 = 279
Solving
-9 + 9b2 = 279
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 9b2 = 279 + 9
Combine like terms: -9 + 9 = 0
0 + 9b2 = 279 + 9
9b2 = 279 + 9
Combine like terms: 279 + 9 = 288
9b2 = 288
Divide each side by '9'.
b2 = 32
Simplifying
b2 = 32
Take the square root of each side:
b = {-5.656854249, 5.656854249}
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