Question

Me podrian ayudar
1) resolver cada producto
1. (4a - b) (3a + b)
2. (2x + 5y) (5x + y)
3. (2x² - 1) (3 x - 2)
4. (x - 3)³
5 (7a² - b) (3a - 2b)
6. (a +2)³

Answer 1

1. 12a²-b²+ab
2. 10x²+27xy+5y
3. 6x³-4x²-3x+2
4. x³-9x²+27x-27
5. 21a³-14ab²+2b²-3ab
6. 6a³+36a²+72a+48