The answer should be A because if you simplify X+2y+X +2 your answer would be 2x+2y+2 and if you calculate A it is the same.
Answer:
6x² + 12y² + 17xy - 25xz
Step-by-step explanation:
(2x + 3y) (3x + 4y - 5z)
= 6x² + 8xy - 10xz + 9xy + 12y² - 15yz
= 6x² + 12y² + 8xy + 9xy - 10xz- 15yz
= 6x² + 12y² + xy (8 + 9) - xz (10 + 15)
= 6x² + 12y² + 17xy - 25xz
4-9 because (4-3)-6 is -5 and 4-9 is also -5
