1) \(\left(x-y\right)\left(2-a\right)\)
2) \(\left(x-y\right)\left(a+b\right)\)
3) \(\left(x+y\right)\left(m-n\right)\)
4) \(\left(x+y\right)\left(2a-4\right)=2\left(x+y\right)\left(a-2\right)\)
5) \(\left(x+y\right)\left(3a-6ab\right)=3a\left(x+y\right)\left(1-2b\right)\)
6) \(\left(x-y\right)\left(5a^2+10a\right)=5a\left(x-y\right)\left(a+2\right)\)
7)\(\left(x-y\right)\left(-2ab-4a\right)=-2a\left(x-y\right)\left(b+2\right)\)
8) \(\left(x-y\right)\left(3a+2\right)\)
9) \(\left(a-b\right)\left(m-m^2\right)=m\left(a-b\right)\left(1-m\right)\)
10) \(\left(a+b\right)\left(mx-m\right)=m\left(a+b\right)\left(x-1\right)\)
1) \(2\left(x-y\right)-a\left(x-y\right)=\left(x-y\right)\left(2-a\right)\)
2) \(a\left(x-y\right)+b\left(x-y\right)=\left(x-y\right)\left(a+b\right)\)
3) \(m\left(x+y\right)-n\left(x+y\right)=\left(x+y\right)\left(m-n\right)\)
4) \(2a\left(x+y\right)-4\left(x+y\right)=2\left(x-y\right)\left(a-2\right)\)
5) \(3a\left(x+y\right)-6ab\left(x+y\right)=3x\left(x+y\right)\left(1-2b\right)\)
6) \(5a^2\left(x-y\right)+10a\left(x-y\right)=5x\left(x-y\right)\left(a+2\right)\)
7) \(-2ab\left(x-y\right)-4a\left(x-y\right)=-2a\left(x-y\right)\left(b+2\right)\)
8) \(3a\left(x-y\right)+2\left(x-y\right)=\left(x-y\right)\left(3a+2\right)\)
9) \(m\left(a-b\right)-m^2\left(a-b\right)=m\left(a-b\right)\left(1-m\right)\)
10) \(mx\left(a+b\right)-m\left(a+b\right)=m\left(a+b\right)\left(x-1\right)\)