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Simplifying
49u2 + -9 = 0
Reorder the terms:
-9 + 49u2 = 0
Solving
-9 + 49u2 = 0
Solving for variable 'u'.
Move all terms containing u to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 49u2 = 0 + 9
Combine like terms: -9 + 9 = 0
0 + 49u2 = 0 + 9
49u2 = 0 + 9
Combine like terms: 0 + 9 = 9
49u2 = 9
Divide each side by '49'.
u2 = 0.1836734694
Simplifying
u2 = 0.1836734694
Take the square root of each side:
u = {-0.428571429, 0.428571429}
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