Subtract
Please give me answers
Attachments:
Answers
Answered by
0
Step-by-step explanation:
- a:
= 8p(2p-7q) - 7p(3q+7p)
= 16p2 - 56pq - 21pq - 49p2
= 16p2 - 49p2 - 65pq
= - 33p2 - 65pq Ans .
- b :
= (8y2 - 6xy - 3x2 ) - (6x2 - 4xy + 5y2)
= 8y2 - 6xy - 3x2 - 6x2 + 4xy - 5y2
= 8y2 - 5y2 - 6xy + 4xy - 9x2
= 3y2 - 2xy - 9x2 Ans.
Similar questions