P=a^2+a-1

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Solution for P=a^2+a-1 equation: 


Simplifying
P = a2 + a + -1

Reorder the terms:
P = -1 + a + a2

Solving
P = -1 + a + a2

Solving for variable 'P'.

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

Simplifying
P = -1 + a + a2

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