Question

hey can u help me..

class 7th ncret algebraic expressions chapter name pls solve this sum.. help me ​

Answer 1

Answer:

20m² + 2n² + 17mn + 10

Step-by-step explanation:

by adding :15m²+3m²+2m²+2n²+12mn+5mn+10

= 20m² + 2n² + 17mn + 10