0=y^2-1

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Solution for 0=y^2-1 equation:


Simplifying
0 = y2 + -1

Reorder the terms:
0 = -1 + y2

Solving
0 = -1 + y2

Solving for variable 'y'.

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

Add '-1y2' to each side of the equation.
0 + -1y2 = -1 + y2 + -1y2
Remove the zero:
-1y2 = -1 + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-1y2 = -1 + 0
-1y2 = -1

Divide each side by '-1'.
y2 = 1

Simplifying
y2 = 1

Take the square root of each side:
y = {-1, 1}

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