7y^2+3y+1=

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Solution for 7y^2+3y+1= equation:


Simplifying
7y2 + 3y + 1 = 0

Reorder the terms:
1 + 3y + 7y2 = 0

Solving
1 + 3y + 7y2 = 0

Solving for variable 'y'.

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

Divide each side by '7'.
0.1428571429 + 0.4285714286y + y2 = 0

Move the constant term to the right:

Add '-0.1428571429' to each side of the equation.
0.1428571429 + 0.4285714286y + -0.1428571429 + y2 = 0 + -0.1428571429

Reorder the terms:
0.1428571429 + -0.1428571429 + 0.4285714286y + y2 = 0 + -0.1428571429

Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000
0.0000000000 + 0.4285714286y + y2 = 0 + -0.1428571429
0.4285714286y + y2 = 0 + -0.1428571429

Combine like terms: 0 + -0.1428571429 = -0.1428571429
0.4285714286y + y2 = -0.1428571429

The y term is 0.4285714286y.  Take half its coefficient (0.2142857143).
Square it (0.04591836735) and add it to both sides.

Add '0.04591836735' to each side of the equation.
0.4285714286y + 0.04591836735 + y2 = -0.1428571429 + 0.04591836735

Reorder the terms:
0.04591836735 + 0.4285714286y + y2 = -0.1428571429 + 0.04591836735

Combine like terms: -0.1428571429 + 0.04591836735 = -0.09693877555
0.04591836735 + 0.4285714286y + y2 = -0.09693877555

Factor a perfect square on the left side:
(y + 0.2142857143)(y + 0.2142857143) = -0.09693877555

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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