In need of help with functions in Algebra 2! Thank you!

Andy is making a design using ice cream sticks that are 4 and 1/2 in long he wants this long side of his designed to be no longer than 24 inches what is the greatest number of sticks that any can use on his long side of his design

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18