Multiply: (5x ? 2)(4x2 ? 3x ? 2) a) 20x3 + 23x2 + 4x + 4 b) 20x3 ? 23x2 ? 4x + 4 c) 20x3 ? 23x2 ? 16x + 4 d) 20x3 ? 7x2 ? 4x + 4

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

The right answer should be 6 but your not very specific