Question

http://www.sketchtoy.com/38974553
Am I doing this correctly? @jim_thompson5910

Answer 1

everything is correct except for the last one

Answer 2

both x terms cancel on the last one, so there are no x terms

Answer 3

http://www.sketchtoy.com/38975381 ?

Answer 4

better

Answer 5

and optionally you can write -1x^2 as just -x^2

Answer 6

Thanks

Answer 7

yw