[tex]\tt{} {2x}^{2} - 3x - 5[/tex]
[tex]\tt{} {2x}^{2} + 2x - 5x - 5[/tex]
[tex]\tt{}2x \times (x +1 ) - 5(x + 1)[/tex]
[tex]\tt{}(x + 1) \times (2x - 5)[/tex]