Question

factories :(x + y)3 - 27(x - y)
3​

Answer 1

Learn or solve with Pen and Paper. The best way to learn any answer is to read it and then write it down in a paper. ...

Learn or solve by relating answers with daily life examples. Only if you can do this properly, you can feel how easy it will be to learn. ...

Use Mnemonics.

you will definately get your answer if you focus and remember these points...

Answer 2

Answer:

I HOPE IT'S HELPFULL