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9x3 plus 27x2 - 90x

Anonymous

∙ 14y ago

Updated: 4/28/2022

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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