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Klio2033 [76]
2 years ago
14

Last one!! Help for brainliest!!

Mathematics
1 answer:
bixtya [17]2 years ago
4 0

Answer:

12x^{2}+18x-7

Step-by-step explanation:

f(g(x))=3(2x)^{2}+9(2x)-7

3(4x^{2})+18x-7

12x^{2}+18x-7

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