(y*y)=9

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Solution for (y*y)=9 equation: 


Simplifying
(y * y) = 9

Multiply y * y
(y2) = 9
y2 = 9

Solving
y2 = 9

Solving for variable 'y'.

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

Simplifying
y2 = 9

Take the square root of each side:
y = {-3, 3}

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