Question

Pls answer fast with EXPLANATION i will surely mark as bainliast and thanks.​

Answer 1

Answer:

Step-by-step explanation:

This are the answers

v) 5m² - 8mn + 8

vi) -5x - 5 + x²

vii) 9ab -7a² - 7b²

Plz mark brainiest

Answer 2

v) -m²+5mn from 4m²-3mn +8

= 4m²-3mn+ 8 -(m²+5mn)

= 4m²-3mn +8 -m²-5mn minus will change the signs of variables under the bracket

= 4m²-m² -3mn-5mn +8 grouping common variables

= 3m²-8mn +8

Hope u can do other questions with yourself