(5r+2)×(5r+2)-(2r-1)×(2r-1)
Answers
Answered by
2
Answer:
ATOQ
5r( 5r + 2 ) + 2 ( 5r + 2 ) - 2r ( 2r - 1 ) - 1 ( 2r - 1 )
(25r^2 + 10r + 10r + 4 ) - ( 4r^2 - 2r - 2r + 1 )
(25r ^2 + 20r + 4 ) - ( 4r ^2 - 4r + 1 )
25 r^2 - 4r ^2 + 20r - 4r + 4 + 1
21 r^2 + 16 r + 5 is the correct answer .
plz follow me at brainly .
ok bye
have any problem share to me
aashishranjan112008
Answered by
4
Answer:
hii dear plZ mark as brainliest answer
Similar questions