by^2-y-1=0

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Solution for by^2-y-1=0 equation:


Simplifying
by2 + -1y + -1 = 0

Reorder the terms:
-1 + by2 + -1y = 0

Solving
-1 + by2 + -1y = 0

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + by2 + 1 + -1y = 0 + 1

Reorder the terms:
-1 + 1 + by2 + -1y = 0 + 1

Combine like terms: -1 + 1 = 0
0 + by2 + -1y = 0 + 1
by2 + -1y = 0 + 1

Combine like terms: 0 + 1 = 1
by2 + -1y = 1

Add 'y' to each side of the equation.
by2 + -1y + y = 1 + y

Combine like terms: -1y + y = 0
by2 + 0 = 1 + y
by2 = 1 + y

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

Simplifying
b = y-2 + y-1

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