2.25y^2+5y+12=0

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Solution for 2.25y^2+5y+12=0 equation:


Simplifying
2.25y2 + 5y + 12 = 0

Reorder the terms:
12 + 5y + 2.25y2 = 0

Solving
12 + 5y + 2.25y2 = 0

Solving for variable 'y'.

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

Divide each side by '2.25'.
5.333333333 + 2.222222222y + y2 = 0

Move the constant term to the right:

Add '-5.333333333' to each side of the equation.
5.333333333 + 2.222222222y + -5.333333333 + y2 = 0 + -5.333333333

Reorder the terms:
5.333333333 + -5.333333333 + 2.222222222y + y2 = 0 + -5.333333333

Combine like terms: 5.333333333 + -5.333333333 = 0.000000000
0.000000000 + 2.222222222y + y2 = 0 + -5.333333333
2.222222222y + y2 = 0 + -5.333333333

Combine like terms: 0 + -5.333333333 = -5.333333333
2.222222222y + y2 = -5.333333333

The y term is 2.222222222y.  Take half its coefficient (1.111111111).
Square it (1.234567901) and add it to both sides.

Add '1.234567901' to each side of the equation.
2.222222222y + 1.234567901 + y2 = -5.333333333 + 1.234567901

Reorder the terms:
1.234567901 + 2.222222222y + y2 = -5.333333333 + 1.234567901

Combine like terms: -5.333333333 + 1.234567901 = -4.098765432
1.234567901 + 2.222222222y + y2 = -4.098765432

Factor a perfect square on the left side:
(y + 1.111111111)(y + 1.111111111) = -4.098765432

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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