y^2-2y+45=0

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Solution for y^2-2y+45=0 equation:


Simplifying
y2 + -2y + 45 = 0

Reorder the terms:
45 + -2y + y2 = 0

Solving
45 + -2y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-45' to each side of the equation.
45 + -2y + -45 + y2 = 0 + -45

Reorder the terms:
45 + -45 + -2y + y2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -2y + y2 = 0 + -45
-2y + y2 = 0 + -45

Combine like terms: 0 + -45 = -45
-2y + y2 = -45

The y term is -2y.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2y + 1 + y2 = -45 + 1

Reorder the terms:
1 + -2y + y2 = -45 + 1

Combine like terms: -45 + 1 = -44
1 + -2y + y2 = -44

Factor a perfect square on the left side:
(y + -1)(y + -1) = -44

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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