Solve the equation $\displaystyle {3}{x}^{{2}}+{27}{x}+{42}={0}$ by factoring.

The solutions are $\displaystyle {x}_{{1}}=$ Preview Question 6 Part 1 of 2   and $\displaystyle {x}_{{2}}=$ Preview Question 6 Part 2 of 2   with $\displaystyle {x}_{{1}}\le{x}_{{2}}$.