Question 456573
Two things:
1-You need to learn how to spell.
2-You need to learn how to write math.

2x to the forth ppwer-2x square y square,

4x to the fifth power + 8x to the forth power y + 4x to the third power y square 

6x square + 6xy


2x^4-2x^2y^2
4x^5+8x^4y+4x^3y^2
6x^2+6xy