4y^2-2y-3+3y^2-2y+7=

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Solution for 4y^2-2y-3+3y^2-2y+7= equation:


Simplifying
4y2 + -2y + -3 + 3y2 + -2y + 7 = 0

Reorder the terms:
-3 + 7 + -2y + -2y + 4y2 + 3y2 = 0

Combine like terms: -3 + 7 = 4
4 + -2y + -2y + 4y2 + 3y2 = 0

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

Combine like terms: 4y2 + 3y2 = 7y2
4 + -4y + 7y2 = 0

Solving
4 + -4y + 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'.
0.5714285714 + -0.5714285714y + y2 = 0

Move the constant term to the right:

Add '-0.5714285714' to each side of the equation.
0.5714285714 + -0.5714285714y + -0.5714285714 + y2 = 0 + -0.5714285714

Reorder the terms:
0.5714285714 + -0.5714285714 + -0.5714285714y + y2 = 0 + -0.5714285714

Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000
0.0000000000 + -0.5714285714y + y2 = 0 + -0.5714285714
-0.5714285714y + y2 = 0 + -0.5714285714

Combine like terms: 0 + -0.5714285714 = -0.5714285714
-0.5714285714y + y2 = -0.5714285714

The y term is -0.5714285714y.  Take half its coefficient (-0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
-0.5714285714y + 0.08163265305 + y2 = -0.5714285714 + 0.08163265305

Reorder the terms:
0.08163265305 + -0.5714285714y + y2 = -0.5714285714 + 0.08163265305

Combine like terms: -0.5714285714 + 0.08163265305 = -0.48979591835
0.08163265305 + -0.5714285714y + y2 = -0.48979591835

Factor a perfect square on the left side:
(y + -0.2857142857)(y + -0.2857142857) = -0.48979591835

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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