Final Answer
$3\left(1-xy\right)\left(3+4xy\right)$
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Step-by-step Solution
Specify the solving method
1
Multiply $1$ times $-3$
$\left(3-3xy\right)\left(3+4xy\right)$
2
Factor the polynomial $\left(3-3xy\right)$ by it's greatest common factor (GCF): $3$
$3\left(1-xy\right)\left(3+4xy\right)$
Final Answer
$3\left(1-xy\right)\left(3+4xy\right)$