y^2-8y+17=0

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Solution for y^2-8y+17=0 equation:


Simplifying
y2 + -8y + 17 = 0

Reorder the terms:
17 + -8y + y2 = 0

Solving
17 + -8y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + -8y + -17 + y2 = 0 + -17

Reorder the terms:
17 + -17 + -8y + y2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -8y + y2 = 0 + -17
-8y + y2 = 0 + -17

Combine like terms: 0 + -17 = -17
-8y + y2 = -17

The y term is -8y.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8y + 16 + y2 = -17 + 16

Reorder the terms:
16 + -8y + y2 = -17 + 16

Combine like terms: -17 + 16 = -1
16 + -8y + y2 = -1

Factor a perfect square on the left side:
(y + -4)(y + -4) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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