Please answer these 3 questions.

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

If f(x) = 5х – 2 and g(x) = 2х + 1, find (f – g)(x).