Y^2=4*y+21

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Solution for Y^2=4*y+21 equation: 


Simplifying
Y2 = 4y + 21

Reorder the terms:
Y2 = 21 + 4y

Solving
Y2 = 21 + 4y

Solving for variable 'Y'.

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

Simplifying
Y2 = 21 + 4y

Reorder the terms:
-21 + Y2 + -4y = 21 + 4y + -21 + -4y

Reorder the terms:
-21 + Y2 + -4y = 21 + -21 + 4y + -4y

Combine like terms: 21 + -21 = 0
-21 + Y2 + -4y = 0 + 4y + -4y
-21 + Y2 + -4y = 4y + -4y

Combine like terms: 4y + -4y = 0
-21 + Y2 + -4y = 0

The solution to this equation could not be determined.

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