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Answerguy23 ∙
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There are four solutions to 9x4 plus 27x3 - 4x2 - 12x equals 0. One of the solutions is x = -3.
x2-5-4x2+3x = 0 -3x2+3x-5 = 0 or as 3x2-3x+5 = 0
1/2 , 3/2
Y
4x2 + x2 = 8 + x2