(X^4)(3x^3-2)(4x^2+5x)

1 answer:

5 0

Answer:

Step-by-step explanation:

$x^4(3x^3-2)(4x^2+5x)\\=x^4(12x^5+15x^4-8x^2-10x)\\=12x^9+15x^8-8x^6-10x^5$

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