Expand (3x+y)^2
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Answers
Answered by
0
Answer:
3x^2+y^2+6xy
Step-by-step explanation:
by using identity
(a+b)^2=a^2+b^2+2ab
Answered by
0
Answer:
As (a+b)^2 = a^2 + b^2 + 2ab
Step-by-step explanation:
(3x + y)^2
= (3x)^2 + (y)^2 + 2(3x)(y)
= 9x^2 + y^2 + 6xy
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