<PRE><B>Question 242488</B>
90x6=90x3-63x2
90x^6 - 90x^3 + 63x^2 = 0
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Common Factor: 3x^2
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9x^2(10x^4 - 10x + 7) = 0
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x = 0 is the only Real Number solution.
There are also four Complex Number solutions.
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Cheers,
Stan H.

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