Simplifica las siguientes expresiones.
[tex]3x^{2}(5x-6)-2(4x+7)+6x^{3}-5+8x^{2}-9x[/tex]
[tex]3x^{2}(5x-6)-2(4x+7)+6x^{3}-5+8x^{2}-9x[/tex]
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Respuesta:
(4a3 – 5a + 7) – (8a3 – 3a – 2)
A) -4a3 – 8a + 5
B) --4a3 + 3a + 9
C) -4a3 – 2a + 9
D) -4a3 + 2a + 5