y^2-30=0

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Solution for y^2-30=0 equation: 


Simplifying
y2 + -30 = 0

Reorder the terms:
-30 + y2 = 0

Solving
-30 + y2 = 0

Solving for variable 'y'.

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

Add '30' to each side of the equation.
-30 + 30 + y2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + y2 = 0 + 30
y2 = 0 + 30

Combine like terms: 0 + 30 = 30
y2 = 30

Simplifying
y2 = 30

Take the square root of each side:
y = {-5.477225575, 5.477225575}

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