Y^2-6Y+15=0

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Solution for Y^2-6Y+15=0 equation:


Simplifying
Y2 + -6Y + 15 = 0

Reorder the terms:
15 + -6Y + Y2 = 0

Solving
15 + -6Y + Y2 = 0

Solving for variable 'Y'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -6Y + -15 + Y2 = 0 + -15

Reorder the terms:
15 + -15 + -6Y + Y2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -6Y + Y2 = 0 + -15
-6Y + Y2 = 0 + -15

Combine like terms: 0 + -15 = -15
-6Y + Y2 = -15

The Y term is -6Y.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6Y + 9 + Y2 = -15 + 9

Reorder the terms:
9 + -6Y + Y2 = -15 + 9

Combine like terms: -15 + 9 = -6
9 + -6Y + Y2 = -6

Factor a perfect square on the left side:
(Y + -3)(Y + -3) = -6

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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