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Simplifying
12 = u2 + 10
Reorder the terms:
12 = 10 + u2
Solving
12 = 10 + u2
Solving for variable 'u'.
Move all terms containing u to the left, all other terms to the right.
Add '-1u2' to each side of the equation.
12 + -1u2 = 10 + u2 + -1u2
Combine like terms: u2 + -1u2 = 0
12 + -1u2 = 10 + 0
12 + -1u2 = 10
Add '-12' to each side of the equation.
12 + -12 + -1u2 = 10 + -12
Combine like terms: 12 + -12 = 0
0 + -1u2 = 10 + -12
-1u2 = 10 + -12
Combine like terms: 10 + -12 = -2
-1u2 = -2
Divide each side by '-1'.
u2 = 2
Simplifying
u2 = 2
Take the square root of each side:
u = {-1.414213562, 1.414213562}
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