y^2-16=2y^2-6y+1

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Solution for y^2-16=2y^2-6y+1 equation:


Simplifying
y2 + -16 = 2y2 + -6y + 1

Reorder the terms:
-16 + y2 = 2y2 + -6y + 1

Reorder the terms:
-16 + y2 = 1 + -6y + 2y2

Solving
-16 + y2 = 1 + -6y + 2y2

Solving for variable 'y'.

Reorder the terms:
-16 + -1 + 6y + y2 + -2y2 = 1 + -6y + 2y2 + -1 + 6y + -2y2

Combine like terms: -16 + -1 = -17
-17 + 6y + y2 + -2y2 = 1 + -6y + 2y2 + -1 + 6y + -2y2

Combine like terms: y2 + -2y2 = -1y2
-17 + 6y + -1y2 = 1 + -6y + 2y2 + -1 + 6y + -2y2

Reorder the terms:
-17 + 6y + -1y2 = 1 + -1 + -6y + 6y + 2y2 + -2y2

Combine like terms: 1 + -1 = 0
-17 + 6y + -1y2 = 0 + -6y + 6y + 2y2 + -2y2
-17 + 6y + -1y2 = -6y + 6y + 2y2 + -2y2

Combine like terms: -6y + 6y = 0
-17 + 6y + -1y2 = 0 + 2y2 + -2y2
-17 + 6y + -1y2 = 2y2 + -2y2

Combine like terms: 2y2 + -2y2 = 0
-17 + 6y + -1y2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
17 + -6y + y2 = 0

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + -6y + -17 + y2 = 0 + -17

Reorder the terms:
17 + -17 + -6y + y2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -6y + y2 = 0 + -17
-6y + y2 = 0 + -17

Combine like terms: 0 + -17 = -17
-6y + y2 = -17

The y term is -6y.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6y + 9 + y2 = -17 + 9

Reorder the terms:
9 + -6y + y2 = -17 + 9

Combine like terms: -17 + 9 = -8
9 + -6y + y2 = -8

Factor a perfect square on the left side:
(y + -3)(y + -3) = -8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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