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Which of the following describes the zeroes of the graph of f(x)= -x^5+9x^4-18x^3

Which of the following describes the zeroes of the graph of f(x)= -x^5+9x^4-18x^3
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Which of the following describes the zeroes of the graph of f(x)= -x^5+9x^4-18x^3

User Sjakubowski
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Answer:


-x^5+9x^4-18x^3=0\\-x^3(x^2-9x+18)=0\\-x^3(x-3)(x-6)=0\\\\\\\\x=0\\x=3\\x=6

User Simon Groenewolt
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