Someone is writing the answer so ill just give you this tip for whenever.
A negitive times a negitive is positive
a negative times a positive is negitive
and a positive times a positive is positive (just had to add it to be complete)
3x8 is 24 hopefully this is helpful
14c³d²-21c²d³/14cd
= (196c^4d³-21c²d³)/ 14cd
= (196c³d²-21cd²)/14
= (28c³d²-3cd²)/2
I hope that's help !
Just make lines. for example 6 divided by 2. draw 6 boxes and split then in to 2 and its 3. otherwise just divide 6 divided my 2 is 3.