Repersent 1.9 in two different ways

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?