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Simplifying
4u2 + -5 = 19
Reorder the terms:
-5 + 4u2 = 19
Solving
-5 + 4u2 = 19
Solving for variable 'u'.
Move all terms containing u to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 4u2 = 19 + 5
Combine like terms: -5 + 5 = 0
0 + 4u2 = 19 + 5
4u2 = 19 + 5
Combine like terms: 19 + 5 = 24
4u2 = 24
Divide each side by '4'.
u2 = 6
Simplifying
u2 = 6
Take the square root of each side:
u = {-2.449489743, 2.449489743}
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