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Algebra
Polynomials
Roots of Polynomials
Given f(x)=(x−1)(x−2)+(x−2)(x−5)+(x−3)(x−8), what are the sum of the roots of f(x)?
1 answer
f(x) = 3x^2 - 21x + 36
sum of roots is -(-21/3) = 7
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