Y^2-21y-100=0

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Solution for Y^2-21y-100=0 equation:


Simplifying
Y2 + -21y + -100 = 0

Reorder the terms:
-100 + Y2 + -21y = 0

Solving
-100 + Y2 + -21y = 0

Solving for variable 'Y'.

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

Add '100' to each side of the equation.
-100 + Y2 + 100 + -21y = 0 + 100

Reorder the terms:
-100 + 100 + Y2 + -21y = 0 + 100

Combine like terms: -100 + 100 = 0
0 + Y2 + -21y = 0 + 100
Y2 + -21y = 0 + 100

Combine like terms: 0 + 100 = 100
Y2 + -21y = 100

Add '21y' to each side of the equation.
Y2 + -21y + 21y = 100 + 21y

Combine like terms: -21y + 21y = 0
Y2 + 0 = 100 + 21y
Y2 = 100 + 21y

Simplifying
Y2 = 100 + 21y

Reorder the terms:
-100 + Y2 + -21y = 100 + 21y + -100 + -21y

Reorder the terms:
-100 + Y2 + -21y = 100 + -100 + 21y + -21y

Combine like terms: 100 + -100 = 0
-100 + Y2 + -21y = 0 + 21y + -21y
-100 + Y2 + -21y = 21y + -21y

Combine like terms: 21y + -21y = 0
-100 + Y2 + -21y = 0

The solution to this equation could not be determined.

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