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3 years ago

Last one!! Help for brainliest!!

Mathematics

1 answer:

bixtya [17]3 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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