y^2-72=0

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Solution for y^2-72=0 equation: 


Simplifying
y2 + -72 = 0

Reorder the terms:
-72 + y2 = 0

Solving
-72 + y2 = 0

Solving for variable 'y'.

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

Add '72' to each side of the equation.
-72 + 72 + y2 = 0 + 72

Combine like terms: -72 + 72 = 0
0 + y2 = 0 + 72
y2 = 0 + 72

Combine like terms: 0 + 72 = 72
y2 = 72

Simplifying
y2 = 72

Take the square root of each side:
y = {-8.485281374, 8.485281374}

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