x^2-2u-3=0

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Solution for x^2-2u-3=0 equation:


Simplifying
x2 + -2u + -3 = 0

Reorder the terms:
-3 + -2u + x2 = 0

Solving
-3 + -2u + x2 = 0

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + -2u + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -2u + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -2u + x2 = 0 + 3
-2u + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-2u + x2 = 3

Add '-1x2' to each side of the equation.
-2u + x2 + -1x2 = 3 + -1x2

Combine like terms: x2 + -1x2 = 0
-2u + 0 = 3 + -1x2
-2u = 3 + -1x2

Divide each side by '-2'.
u = -1.5 + 0.5x2

Simplifying
u = -1.5 + 0.5x2

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