Question

factorization regrouping:
1. x^2y-x^2z+y^2-yz
2. y^2+8zx-2xy-4yz
3. 2x^2-2y+4xy-x
4. a^3+a^2+a+1
5. 18x^2y-6x+15x^2y^2-5xy
6. 6xy+4y+6-9x
7. 15xy-6x+5y-2

answer correctly quick pls asap

Answer 1

Answer:

here in 6th part 6xy+4y+6-9x it should be -4y if it is not then factorization is not possible so I have taken -4y instead of 4y so check it and all other part I have done.