Y^2+3=15

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Solution for Y^2+3=15 equation: 


Simplifying
Y2 + 3 = 15

Reorder the terms:
3 + Y2 = 15

Solving
3 + Y2 = 15

Solving for variable 'Y'.

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

Add '-3' to each side of the equation.
3 + -3 + Y2 = 15 + -3

Combine like terms: 3 + -3 = 0
0 + Y2 = 15 + -3
Y2 = 15 + -3

Combine like terms: 15 + -3 = 12
Y2 = 12

Simplifying
Y2 = 12

Take the square root of each side:
Y = {-3.464101615, 3.464101615}

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