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

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


Simplifying
3y(y + -2) + -1y2 = 2y2 + 4y + -7

Reorder the terms:
3y(-2 + y) + -1y2 = 2y2 + 4y + -7
(-2 * 3y + y * 3y) + -1y2 = 2y2 + 4y + -7
(-6y + 3y2) + -1y2 = 2y2 + 4y + -7

Combine like terms: 3y2 + -1y2 = 2y2
-6y + 2y2 = 2y2 + 4y + -7

Reorder the terms:
-6y + 2y2 = -7 + 4y + 2y2

Add '-2y2' to each side of the equation.
-6y + 2y2 + -2y2 = -7 + 4y + 2y2 + -2y2

Combine like terms: 2y2 + -2y2 = 0
-6y + 0 = -7 + 4y + 2y2 + -2y2
-6y = -7 + 4y + 2y2 + -2y2

Combine like terms: 2y2 + -2y2 = 0
-6y = -7 + 4y + 0
-6y = -7 + 4y

Solving
-6y = -7 + 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.
-6y + -4y = -7 + 4y + -4y

Combine like terms: -6y + -4y = -10y
-10y = -7 + 4y + -4y

Combine like terms: 4y + -4y = 0
-10y = -7 + 0
-10y = -7

Divide each side by '-10'.
y = 0.7

Simplifying
y = 0.7

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