Final answer to the problem
$\left(3x+3y-5\right)\left(3x+3y+5\right)$
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Step-by-step Solution
Specify the solving method
1
Solve the product $3\left(x+y\right)$
$\left(3x+3y-5\right)\left(3\left(x+y\right)+5\right)$
2
Solve the product $3\left(x+y\right)$
$\left(3x+3y-5\right)\left(3x+3y+5\right)$
Final answer to the problem
$\left(3x+3y-5\right)\left(3x+3y+5\right)$