c: \(5x\left(x-1\right)+3y\left(x-1\right)=\left(x-1\right)\left(5x+3y\right)\)
e: \(4x\left(x-1\right)-\left(1-x\right)=\left(x-1\right)\left(4x+1\right)\)
j: \(x^2-5x+6=\left(x-2\right)\left(x-3\right)\)
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