The additive inverse of (-2x + 4) is . choices:
1. -2x + 4
2. 4x + 2
3. (-2x – 4)
4. (2x – 4)

Because -2x+4+2x-4=0, the additive inverse is (2x-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 .