You can put this solution on YOUR website! FACTOR OUT THE GCF FIRST THAn factor br regrouping 6st^2-18st-6t^4+18t^3
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Factor out 6t
6t(st - 3s - t^3 + 3t^2)
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Group and factor
6t[s(t-3) - t^2(t-3)]
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Factor out (t-3) inside the brackets
6t[(t - 3)(s - t^2)]
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remove the brackets
6t(t - 3)(s - t^2)