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OpenStudy (anonymous):
9x^3-18x^2-4x+8=0
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OpenStudy (anonymous):
9x^3-18x^2-4x+8=0 (9x^3-18x^2)(-4x+8)=0 9x^2(x-2)-4(x-2) = 0 (9x^2-4)(x-2)=0 then solve for x lol to get the solutions 9x^2-4=0 x-2=0 +4 +4 +2 +2 9x^2=4 x=2 /9 /9 x^2=4/9 sqrt(x^2) = sqrt(4/9) x=2/3
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