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Simplifying
392 = 200b2
Solving
392 = 200b2
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '-200b2' to each side of the equation.
392 + -200b2 = 200b2 + -200b2
Combine like terms: 200b2 + -200b2 = 0
392 + -200b2 = 0
Add '-392' to each side of the equation.
392 + -392 + -200b2 = 0 + -392
Combine like terms: 392 + -392 = 0
0 + -200b2 = 0 + -392
-200b2 = 0 + -392
Combine like terms: 0 + -392 = -392
-200b2 = -392
Divide each side by '-200'.
b2 = 1.96
Simplifying
b2 = 1.96
Take the square root of each side:
b = {-1.4, 1.4}
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