(2y+4y^2-2)+(y+5)=

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Solution for (2y+4y^2-2)+(y+5)= equation: 


Simplifying
(2y + 4y2 + -2) + (y + 5) = 0

Reorder the terms:
(-2 + 2y + 4y2) + (y + 5) = 0

Remove parenthesis around (-2 + 2y + 4y2)
-2 + 2y + 4y2 + (y + 5) = 0

Reorder the terms:
-2 + 2y + 4y2 + (5 + y) = 0

Remove parenthesis around (5 + y)
-2 + 2y + 4y2 + 5 + y = 0

Reorder the terms:
-2 + 5 + 2y + y + 4y2 = 0

Combine like terms: -2 + 5 = 3
3 + 2y + y + 4y2 = 0

Combine like terms: 2y + y = 3y
3 + 3y + 4y2 = 0

Solving
3 + 3y + 4y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
0.75 + 0.75y + y2 = 0

Move the constant term to the right:

Add '-0.75' to each side of the equation.
0.75 + 0.75y + -0.75 + y2 = 0 + -0.75

Reorder the terms:
0.75 + -0.75 + 0.75y + y2 = 0 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + 0.75y + y2 = 0 + -0.75
0.75y + y2 = 0 + -0.75

Combine like terms: 0 + -0.75 = -0.75
0.75y + y2 = -0.75

The y term is 0.75y.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75y + 0.140625 + y2 = -0.75 + 0.140625

Reorder the terms:
0.140625 + 0.75y + y2 = -0.75 + 0.140625

Combine like terms: -0.75 + 0.140625 = -0.609375
0.140625 + 0.75y + y2 = -0.609375

Factor a perfect square on the left side:
(y + 0.375)(y + 0.375) = -0.609375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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