SOLUTION: Solve for c in (c - 7)^2 = 81 + 20c.
Algebra.Com
Question 1209147: Solve for c in (c - 7)^2 = 81 + 20c.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
discriminant,
, solving for c by factorization not useful
because discriminant not a perfect square.
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