Question Number 26078 by ktomboy1992 last updated on 19/Dec/17
$$\mathrm{x}^{\mathrm{2}} −\mathrm{x}−\mathrm{42}\:\mathrm{factorise} \\ $$
Answered by kaivan.ahmadi last updated on 19/Dec/17
$$\left(\mathrm{x}−\mathrm{7}\right)\left(\mathrm{x}+\mathrm{6}\right) \\ $$