Videos: Polynommultiplikation Vereinfache: \((4a -2)(5a-3)\) \((3t^2 - 1)(4t^3 + 1)\) \(3b + (4b -1)(b+2) -2(3b-7)\) \(4c -3c(c^2-4c + 1)-(3c^2-2)(c-3)\)