Work Step by Step
Factor out the GCF $3x$ to get $3x(3x^2+2x-1)$. Factor the trinomial to get $3x(3x-1)(x+1)$. Check by multiplying the factors: $\\3x(3x^2+3x-x-1) \\=3x(3x^2+2x-1) \\=9x^3+6x^2-3x.$
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