plz solve it
it's urgent
no spamming
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2
Answer:
use (a+b)the whole squre
Answered by
1
Answer:
(3x+y)^2
Step-by-step explanation:
(3x)^2 +2×3x×y + ( y) ^2
(a)^2 +2×a×b +(b)^2=(a+b) ^2
(3x+y)^2
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