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

Question 1000109: if a & b are roots of a quadratic equation, please explain the expansion processes
a^2+b^2 = a^2+2ab+b^2-2ab.
thank you.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The 2 sides are equal for any values of a & b.
+2ab - 2ab = 0

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