Mathematics, 17.12.2019 07:31 cody1097

Which of the following quartic functions has x=-1 and x=-2 as its only two real zeroes?
a)x^4-3x^3+3x^2-3x+2
b)x^4+3x^3+3x^2-3x-2
c)x^4+3x^3+3x^2+3x+2
d)x^4-3x^3-3x^2+3x+2

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Which of the following quartic functions has x=-1 and x=-2 as its only two real zeroes?
a)x^4-...