Respuesta:
1)
[tex]2 {x}^{3} \times (2 {x}^{2} - 3) - 3 {x}^{2} \times (2 {x}^{2} - 3) + 4x \times (2 {x}^{2} - 3) \\ 4 {x}^{5} - 6 {x}^{3} - 6 {x}^{4} + 9 {x}^{2} + {8x}^{3} - 12x \\ 4 {x}^{5} - 6 {x}^{4} + 2 {x}^{3} + 9 {x}^{2} - 12x[/tex]
2) 5x^3.(2x^2-1)+x.(2x^2-1)-1.(2x^2-1)
10x^5-5x^3+2x^3-x-2x^2+1
10x^5-3x^3-2x^2-x+1
3)x^7+2x^5-3x^3+x^2-8/x^2
4)3x^5+2x^4-x^3+x^3+1/x^2
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Respuesta:
1)
[tex]2 {x}^{3} \times (2 {x}^{2} - 3) - 3 {x}^{2} \times (2 {x}^{2} - 3) + 4x \times (2 {x}^{2} - 3) \\ 4 {x}^{5} - 6 {x}^{3} - 6 {x}^{4} + 9 {x}^{2} + {8x}^{3} - 12x \\ 4 {x}^{5} - 6 {x}^{4} + 2 {x}^{3} + 9 {x}^{2} - 12x[/tex]
2) 5x^3.(2x^2-1)+x.(2x^2-1)-1.(2x^2-1)
10x^5-5x^3+2x^3-x-2x^2+1
10x^5-3x^3-2x^2-x+1
3)x^7+2x^5-3x^3+x^2-8/x^2
4)3x^5+2x^4-x^3+x^3+1/x^2