3y(y-1)=2y(y-2)-(3-y^2)

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Solution for 3y(y-1)=2y(y-2)-(3-y^2) equation:


Simplifying
3y(y + -1) = 2y(y + -2) + -1(3 + -1y2)

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

Reorder the terms:
-3y + 3y2 = 2y(-2 + y) + -1(3 + -1y2)
-3y + 3y2 = (-2 * 2y + y * 2y) + -1(3 + -1y2)
-3y + 3y2 = (-4y + 2y2) + -1(3 + -1y2)
-3y + 3y2 = -4y + 2y2 + (3 * -1 + -1y2 * -1)
-3y + 3y2 = -4y + 2y2 + (-3 + 1y2)

Reorder the terms:
-3y + 3y2 = -3 + -4y + 2y2 + 1y2

Combine like terms: 2y2 + 1y2 = 3y2
-3y + 3y2 = -3 + -4y + 3y2

Add '-3y2' to each side of the equation.
-3y + 3y2 + -3y2 = -3 + -4y + 3y2 + -3y2

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

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

Solving
-3y = -3 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-3y + 4y = -3 + -4y + 4y

Combine like terms: -3y + 4y = 1y
1y = -3 + -4y + 4y

Combine like terms: -4y + 4y = 0
1y = -3 + 0
1y = -3

Divide each side by '1'.
y = -3

Simplifying
y = -3

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