show that : (9a-5b)²+180ab=(9a+5b)²
Answers
Answered by
24
RHS = (9a+5b)^2
= 81a^2 + 25b^2 + (90ab)
= 81a^2 + 25b^2 + (-90ab + 180ab)
= (9a-5b)^2 + 180ab = LHS
tiyastar2006:
thanks for answring
wlcm mark as brainliest if you like
click the button "mark as brainliest" below my answer
i can't find it
sorry for that.. :)
Answered by
11
Answer:
on the formula
a²+2ab+b²
Thanks
Hope it helps you!!
Attachments:
Similar questions