0.5(1.8y^2+2.2y+34)=

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Solution for 0.5(1.8y^2+2.2y+34)= equation:


Simplifying
0.5(1.8y2 + 2.2y + 34) = 0

Reorder the terms:
0.5(34 + 2.2y + 1.8y2) = 0
(34 * 0.5 + 2.2y * 0.5 + 1.8y2 * 0.5) = 0
(17 + 1.1y + 0.9y2) = 0

Solving
17 + 1.1y + 0.9y2 = 0

Solving for variable 'y'.

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

Divide each side by '0.9'.
18.88888889 + 1.222222222y + y2 = 0

Move the constant term to the right:

Add '-18.88888889' to each side of the equation.
18.88888889 + 1.222222222y + -18.88888889 + y2 = 0 + -18.88888889

Reorder the terms:
18.88888889 + -18.88888889 + 1.222222222y + y2 = 0 + -18.88888889

Combine like terms: 18.88888889 + -18.88888889 = 0.00000000
0.00000000 + 1.222222222y + y2 = 0 + -18.88888889
1.222222222y + y2 = 0 + -18.88888889

Combine like terms: 0 + -18.88888889 = -18.88888889
1.222222222y + y2 = -18.88888889

The y term is 1.222222222y.  Take half its coefficient (0.611111111).
Square it (0.3734567900) and add it to both sides.

Add '0.3734567900' to each side of the equation.
1.222222222y + 0.3734567900 + y2 = -18.88888889 + 0.3734567900

Reorder the terms:
0.3734567900 + 1.222222222y + y2 = -18.88888889 + 0.3734567900

Combine like terms: -18.88888889 + 0.3734567900 = -18.5154321
0.3734567900 + 1.222222222y + y2 = -18.5154321

Factor a perfect square on the left side:
(y + 0.611111111)(y + 0.611111111) = -18.5154321

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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