I see it as
Can you solve?
Translating Word Problems
"Number" Word Problems
To learn how to multiply out the parenthetical, try here.
To learn how to factor the resulting quadratic (x^2 - x - 42), try here.
To learn how to solve quadratics in general (including factored ones), try here.
That should cover any difficulties you're having. If not, please reply with a clear listing of your steps and reasoning so far. Thank you!