How would you solve this problem? I don't know how to find the 2nd term, but I already found the first and 3rd term. (7-3x)^2

Question

asked Apr 6, 2022 95.2k views

2 Answers

Cihad Turhan · Answer 1 · 2022-04-08T04:22:42+0000

Answer:

Explanation:

FOIL ? know it? first, outside , inside , last

(7-3x)(7-3x)

49 -21x -21x + 9
x^(2)

49 - 42x + 9
x^(2)

write it in descending order ( of x )

9
x^(2) -42x + 49