Question

(a+b)2=a2+2ab+b2

(x+3y)2=​

Answer 1

Step-by-step explanation:

x^2 + 2(3xy) + 9y^2

so x^2 + 6xy + 9y^2

THANK YOU

Answer 2

Answer:

$x2 + 9y26xy$

ok

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