2y^2+11y=y^2+3y-28

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Solution for 2y^2+11y=y^2+3y-28 equation:


Simplifying
2y2 + 11y = y2 + 3y + -28

Reorder the terms:
11y + 2y2 = y2 + 3y + -28

Reorder the terms:
11y + 2y2 = -28 + 3y + y2

Solving
11y + 2y2 = -28 + 3y + y2

Solving for variable 'y'.

Reorder the terms:
28 + 11y + -3y + 2y2 + -1y2 = -28 + 3y + y2 + 28 + -3y + -1y2

Combine like terms: 11y + -3y = 8y
28 + 8y + 2y2 + -1y2 = -28 + 3y + y2 + 28 + -3y + -1y2

Combine like terms: 2y2 + -1y2 = 1y2
28 + 8y + 1y2 = -28 + 3y + y2 + 28 + -3y + -1y2

Reorder the terms:
28 + 8y + 1y2 = -28 + 28 + 3y + -3y + y2 + -1y2

Combine like terms: -28 + 28 = 0
28 + 8y + 1y2 = 0 + 3y + -3y + y2 + -1y2
28 + 8y + 1y2 = 3y + -3y + y2 + -1y2

Combine like terms: 3y + -3y = 0
28 + 8y + 1y2 = 0 + y2 + -1y2
28 + 8y + 1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
28 + 8y + 1y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + 8y + -28 + y2 = 0 + -28

Reorder the terms:
28 + -28 + 8y + y2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 8y + y2 = 0 + -28
8y + y2 = 0 + -28

Combine like terms: 0 + -28 = -28
8y + y2 = -28

The y term is 8y.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8y + 16 + y2 = -28 + 16

Reorder the terms:
16 + 8y + y2 = -28 + 16

Combine like terms: -28 + 16 = -12
16 + 8y + y2 = -12

Factor a perfect square on the left side:
(y + 4)(y + 4) = -12

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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