\(x^2-5x+6\)
\(=x^2-2x-3x+6\)
\(=x\cdot\left(x-2\right)-3\left(x-2\right)\)
\(=\left(x-2\right)\cdot\left(x-3\right)\)
\(x^2-5x+6\)
\(=x^2-2x-3x+6\)
\(=x\left(x-2\right)-3\left(x-2\right)\)
\(=\left(x-2\right).\left(x-3\right)\)
x2 - 5x + 6
= x2 - 2x - 3x + 6
= x. ( x - 2 ) - 3 . ( x - 2 )
= ( x - 2 ) . ( x - 3 )