y(y+1)-2x=2

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Solution for y(y+1)-2x=2 equation:


Simplifying
y(y + 1) + -2x = 2

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

Reorder the terms:
-2x + 1y + y2 = 2

Solving
-2x + 1y + y2 = 2

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
-2x + 1y + -1y + y2 = 2 + -1y

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

Add '-1y2' to each side of the equation.
-2x + y2 + -1y2 = 2 + -1y + -1y2

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

Divide each side by '-2'.
x = -1 + 0.5y + 0.5y2

Simplifying
x = -1 + 0.5y + 0.5y2

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