Respuesta :

f(x)=3x²-x+2
g(x)=5x²-1
f(g(x))=3(5x²-1)²-(5x²-1)+2
=3(25x⁴-10x²+1)-(5x²-1)+2
=75x⁴-30x²+3-5x²+1+2
=75x⁴-35x²+6

Answer: f(g(x))=75x⁴-35x²+6
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Answer:

3x^2-15x-1

Step-by-step explanation:

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