Mathematics, 17.10.2019 02:30, risaroo070618

Tony believes that x = -9 is a root of the polynomial x2 + 13x + 36. erika, however, believes that x = 4 is a root of the same polynomial. who is correct?

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Tony believes that x = -9 is a root of the polynomial x2 + 13x + 36. erika, however, believes that x...