y^2+y+2.5=0

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Solution for y^2+y+2.5=0 equation:


Simplifying
y2 + y + 2.5 = 0

Reorder the terms:
2.5 + y + y2 = 0

Solving
2.5 + y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + y + -2.5 + y2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + y + y2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + y + y2 = 0 + -2.5
y + y2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
y + y2 = -2.5

The y term is y.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
y + 0.25 + y2 = -2.5 + 0.25

Reorder the terms:
0.25 + y + y2 = -2.5 + 0.25

Combine like terms: -2.5 + 0.25 = -2.25
0.25 + y + y2 = -2.25

Factor a perfect square on the left side:
(y + 0.5)(y + 0.5) = -2.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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