SOLUTION: if a & b are roots of a quadratic equation, please explain how a^2+b^2 = a^2+2ab+b^2-2ab. thank you.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: if a & b are roots of a quadratic equation, please explain how a^2+b^2 = a^2+2ab+b^2-2ab. thank you.      Log On


   

Question 1000108: if a & b are roots of a quadratic equation, please explain how
a^2+b^2 = a^2+2ab+b^2-2ab.
thank you.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a^2+b^2 = a^2+2ab+b^2-2ab.
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That's a^2 + b^2 = a^2 + b^2