smariedegray
18.03.2021 •
Mathematics
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
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Ответ:
Step-by-step explanation:
FOIL ? know it? first, outside , inside , last
(7-3x)(7-3x)
49 -21x -21x + 9
49 - 42x + 9
write it in descending order ( of x )
9
-42x + 49
Ответ:
The answer is 14°. I hope it helps you