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As long as the equation is 9x3 + 27x2 - 90x = 0, the answer is :

27 + 27x2 - 90x = 0 9x3 = 27

27 + 54 - 90x = 0 27x2 = 54

81 - 90x = 0 27 + 54 = 81

81 = 90x add 90x to each side

9/10 = x divide each side by 90

x = .9

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14y ago
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Q: 9x3 plus 27x2 - 90x
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