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x = 2/7 is a root of 49x^3 - 126x^2 + 60x - 8 = 0. Factor the polynomial completely and list all real solutions.

My answer: (x - 2)(7x - 2)^2 = 0 factored, and the solutions are x = 2 and x = 2/7.

1 answer

looks good to me.

You can always check your answer by typing in the polynomial at wolframalpha.com
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