y(3-5y)+2y^2=9-y^2-2y(y-3)

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Solution for y(3-5y)+2y^2=9-y^2-2y(y-3) equation:


Simplifying
y(3 + -5y) + 2y2 = 9 + -1y2 + -2y(y + -3)
(3 * y + -5y * y) + 2y2 = 9 + -1y2 + -2y(y + -3)
(3y + -5y2) + 2y2 = 9 + -1y2 + -2y(y + -3)

Combine like terms: -5y2 + 2y2 = -3y2
3y + -3y2 = 9 + -1y2 + -2y(y + -3)

Reorder the terms:
3y + -3y2 = 9 + -1y2 + -2y(-3 + y)
3y + -3y2 = 9 + -1y2 + (-3 * -2y + y * -2y)
3y + -3y2 = 9 + -1y2 + (6y + -2y2)

Reorder the terms:
3y + -3y2 = 9 + 6y + -1y2 + -2y2

Combine like terms: -1y2 + -2y2 = -3y2
3y + -3y2 = 9 + 6y + -3y2

Add '3y2' to each side of the equation.
3y + -3y2 + 3y2 = 9 + 6y + -3y2 + 3y2

Combine like terms: -3y2 + 3y2 = 0
3y + 0 = 9 + 6y + -3y2 + 3y2
3y = 9 + 6y + -3y2 + 3y2

Combine like terms: -3y2 + 3y2 = 0
3y = 9 + 6y + 0
3y = 9 + 6y

Solving
3y = 9 + 6y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-6y' to each side of the equation.
3y + -6y = 9 + 6y + -6y

Combine like terms: 3y + -6y = -3y
-3y = 9 + 6y + -6y

Combine like terms: 6y + -6y = 0
-3y = 9 + 0
-3y = 9

Divide each side by '-3'.
y = -3

Simplifying
y = -3

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