- Difference of Squares: \((3\#-2!)(3\#+2!)\)
- Perfect Square Trinomial: \((@+3)^2\)
- Difference of Squares: \((\sin \beta + \cos \beta)(\sin \beta-\cos \beta)\)
- Sum of Cubes: \((\Delta + \Theta)(\Delta^2-\Delta\Theta+\Theta^2)\)
- Perfect Square Trinomial: \(((a-3)^2-4)^2\)
- Difference of Squares: \((1+\cos\theta)(1-\cos\theta) \)
- Difference of Cubes: \((2\Omega-5\Psi)(4\Omega^2+10\Omega\Psi+25\Psi^2)\)
- Perfect Square Trinomial: \(((x+1)-4)^2\)
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