Answer:

1) (-13r⁷ - 6rs² - s³ + 1 ) - ( 4s³ - 2 + r⁴ + rs )

-13r⁷ - 6rs² - s³ + 1 - 4s³ + 2 - r⁴ - rs

-13r⁷ - 6rs² + (-s³-4s³)+(1+2)- r⁴ - rs

-13r⁷ - 6rs²-5s³+3-r⁴-rs

Step-by-step explanation:

mark me brainlies