please tell me fast (3x+y)*3
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Answered by
0
Answer:
(9x+3y)
Step-by-step explanation:
(3x+y)×3
3×3x+3×y
9x+3y
Answered by
1
Identify used :
(a+b)³ = a³ +b³ + 3a²b +3 ab²
Step-by-step explanation:
Please see the above image for better understanding.
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