Mathematics, 26.02.2021 01:00 sun64

9. Find a third-degree polynomial equation with rational coefficients that has roots -5 and 6+ i. a. X^3 - 7x^2 - 23x + 185 =0
b. X^3 - 7x^2 - 12x + 37 =0
c. X^3 - 7x^2 - 23x = 0
d. x^3 - 12x^2 + 37x = 0

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9. Find a third-degree polynomial equation with rational coefficients that has roots -5 and 6+ i. a...