Question

Ayuda por favor.

1. -5x2– [ 4a – 7x – (-4a – 3b)]
2. – [ - (-8x + 5y – 4z)] – [-4x – (-7y – 2z)]
3. (2x5– x4+ 7x2+ 1) + (3x4– 2x3– 2x2+ 7x – 8) =
4. (3x2– 6x + 8) + (2x2– 9x + 1) – (7x2+ 12x – 15)
5. (6x2– 2x + 8) – [(7x – x2) + (9 – 3x)]
6. 3 (4x2+ 9x – 1) + 7 (6x2+ 5x – 2)
7. 6 (x2+ 7x – 1) – 2 (3x2– 5x + 9) + 4 (5x2– 10x + 12)
8. 3 (3x3– 5x2+ 4x – 8) – 2 (-7x + 9x3– 8 + 5x2) + 3 (-7 + 8x – 4x3)
9. - [- (a – 2b) – (a + 2b) – (-a – 3b)]
10. [(5x2– 2x + 4) – (-4x3+ 9x2– 3)] – [3 (x2– 5x + 4) – 5 (3x2+ 6x – 2)]

Answer 1

Respuesta:

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Explicación paso a paso:

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