Well let's see here. (6+2)+(4-3)^2 Carry the 5... (5)(6+2)+(4-3)^2 Rearrange the parentheses... ()()()5×6+2+4-3^2 Take the derivitive.... F (x) = 0 Substitute a variable for 0. F (x) = u Input another set variables into the function. F (uck) = u.