.
Upgrade and get a lot more done!
4x2
X2+3
X2+3x
X2+2x+1
2x2+3x
X4+3x
X2+x2+3x
X2+x2+x+x+x
3x+6
X2+x+1+1
X2+4x+1+1+1+1+1
X2+x+2