Question

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

Answer 1

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

Answer 2

7-3=4x2=8 maybe i dont know