Respuesta :

noahmmackay
The expression becomes 12x^7+6x^6-10x^5.
ROBENSON

let's show your

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

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

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

12x^9+15X^8-8x^6-10x^5

the answer was 12x^9+15^8-8x^6-10x^5

hope that helps you

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