В решении.
Объяснение:
1) (4b³ - 3b² + 7b - 10) * (-2b²) =
= -8b⁵ + 6b⁴ - 14b³ + 10b²;
2) -3c² * (2c⁴ - c³ - 8c + 10) =
= -6c⁶ + 3c⁵ + 24c³ - 30c²;
3) 12ab * (-3a² + 5b²) =
= -36a³b + 60ab³;
4) (4m² - 7m - 1) * (-5m³) =
= -20m⁵ + 35m⁴ + 5m³;
5) 5 * (a - b + 2c) = 5a - 5b + 10c;
6) -5 * (a - b + 2c) = -5a + 5b - 10c;
7) 7 * (x - 2y + z) = 7x - 14y + 7z;
8) -7 * (x - 2y + z) = -7x + 14y - 7z.
В решении.
Объяснение:
1) (4b³ - 3b² + 7b - 10) * (-2b²) =
= -8b⁵ + 6b⁴ - 14b³ + 10b²;
2) -3c² * (2c⁴ - c³ - 8c + 10) =
= -6c⁶ + 3c⁵ + 24c³ - 30c²;
3) 12ab * (-3a² + 5b²) =
= -36a³b + 60ab³;
4) (4m² - 7m - 1) * (-5m³) =
= -20m⁵ + 35m⁴ + 5m³;
5) 5 * (a - b + 2c) = 5a - 5b + 10c;
6) -5 * (a - b + 2c) = -5a + 5b - 10c;
7) 7 * (x - 2y + z) = 7x - 14y + 7z;
8) -7 * (x - 2y + z) = -7x + 14y - 7z.