Write a variable expression that represents the following word phrase: three more than two times the difference of x and one. Please help​

3 times two minus x plus one I’m pretty sure so 3x2-x+1

“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 .