Y^2-5=2

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Solution for Y^2-5=2 equation: 


Simplifying
Y2 + -5 = 2

Reorder the terms:
-5 + Y2 = 2

Solving
-5 + Y2 = 2

Solving for variable 'Y'.

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

Add '5' to each side of the equation.
-5 + 5 + Y2 = 2 + 5

Combine like terms: -5 + 5 = 0
0 + Y2 = 2 + 5
Y2 = 2 + 5

Combine like terms: 2 + 5 = 7
Y2 = 7

Simplifying
Y2 = 7

Take the square root of each side:
Y = {-2.645751311, 2.645751311}

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