a=3.14(r^2-2r+1)

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Solution for a=3.14(r^2-2r+1) equation: 


Simplifying
a = 3.14(r2 + -2r + 1)

Reorder the terms:
a = 3.14(1 + -2r + r2)
a = (1 * 3.14 + -2r * 3.14 + r2 * 3.14)
a = (3.14 + -6.28r + 3.14r2)

Solving
a = 3.14 + -6.28r + 3.14r2

Solving for variable 'a'.

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

Simplifying
a = 3.14 + -6.28r + 3.14r2

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