y^2-217=0

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Solution for y^2-217=0 equation: 


Simplifying
y2 + -217 = 0

Reorder the terms:
-217 + y2 = 0

Solving
-217 + y2 = 0

Solving for variable 'y'.

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

Add '217' to each side of the equation.
-217 + 217 + y2 = 0 + 217

Combine like terms: -217 + 217 = 0
0 + y2 = 0 + 217
y2 = 0 + 217

Combine like terms: 0 + 217 = 217
y2 = 217

Simplifying
y2 = 217

Take the square root of each side:
y = {-14.730919863, 14.730919863}

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