Given the function f(x) = 5x - 3(3x + 7),
determine the value of x when f(x) = -18.
f x = 51
on

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry

i don't know, but that looks pretty bad. my school passed us unless we failed in all the subjects, but idk abt ur school's rules.

copyright potato 2019.

i’m sorry but i don’t know sorry