y^2+10y+30=0

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Solution for y^2+10y+30=0 equation:


Simplifying
y2 + 10y + 30 = 0

Reorder the terms:
30 + 10y + y2 = 0

Solving
30 + 10y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + 10y + -30 + y2 = 0 + -30

Reorder the terms:
30 + -30 + 10y + y2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 10y + y2 = 0 + -30
10y + y2 = 0 + -30

Combine like terms: 0 + -30 = -30
10y + y2 = -30

The y term is 10y.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10y + 25 + y2 = -30 + 25

Reorder the terms:
25 + 10y + y2 = -30 + 25

Combine like terms: -30 + 25 = -5
25 + 10y + y2 = -5

Factor a perfect square on the left side:
(y + 5)(y + 5) = -5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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