What’s 23y times 4x(simplify)

If you could answer these your a life saver

Find the root(s) of f (x) = (x- 6)2(x + 2)2.

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?