Respuesta :

(–3s + 2t)(4s – t)
= -12s^2 + 3st + 8st - 2t^2
= -12s^2 + 11st - 2t^2
= -12s^2 + 3st + 8st - 2t^2
= -12s^2 + 11st - 2t^2

So your product should = -12s^2 + 11st - 2t^2

I hope this helps! :>
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