Rational Expressions: Writing in Lowest Terms - Ex 2

[TheThecrusher]

I learned more in two minutes and twenty - three seconds than I have in 3 hours of class for this topic

[rinoachew]

Can you make a video example on how to simplify this expression: 36a^2-25^2/ 5a^2b+6a^3

Pretty please. Thanks! :D

[hiriyo]

I only dont get on what sign do i use on reducing fraction like
x-3+2=
x+1-2=
x-1=
x+1=
x+3+2=
x-1-2=
what operation do i use??

[StryderHeap]

Cool, but my teachers linked this video to help me solve a problem, and it's not even close to what I need xD