Final Answer
$-\left(-\sin\left(x\right)+\cos\left(x\right)+2\right)\left(\cos\left(x\right)+\sin\left(x\right)\right)$
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Step-by-step Solution
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1
Factor the polynomial $\left(-\cos\left(x\right)-\sin\left(x\right)\right)$ by it's greatest common factor (GCF): $-1$
$-\left(-\sin\left(x\right)+\cos\left(x\right)+2\right)\left(\cos\left(x\right)+\sin\left(x\right)\right)$
Final Answer
$-\left(-\sin\left(x\right)+\cos\left(x\right)+2\right)\left(\cos\left(x\right)+\sin\left(x\right)\right)$