u^2-36=28

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Solution for u^2-36=28 equation: 


Simplifying
u2 + -36 = 28

Reorder the terms:
-36 + u2 = 28

Solving
-36 + u2 = 28

Solving for variable 'u'.

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

Add '36' to each side of the equation.
-36 + 36 + u2 = 28 + 36

Combine like terms: -36 + 36 = 0
0 + u2 = 28 + 36
u2 = 28 + 36

Combine like terms: 28 + 36 = 64
u2 = 64

Simplifying
u2 = 64

Take the square root of each side:
u = {-8, 8}

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