Factorization 3A ^ 3b-12ab ^ 3 + 9A ^ 4B ^ 2-36a ^ 2B ^ 4
The second is a, not a;.
RELATED INFORMATIONS
- 1. Given a-2a + 4B + 4B + 2 = 0, the value of a + B is
- 2. Given a 2 + B 2 + 2a-4b + 5 = 0, find the value of 2A 2 + 4b-3
- 3. There are some coal, a alone transport six days to complete, B alone transport five days to complete, now a transport three times, B transport two times, a total of 18 tons, the original total of how many tons?
- 4. After handing over the cargo at a, the two cargo ships of a and B sailed to the East and west respectively. After 1 hour, ship a sailed 10 nautical miles and ship B sailed 8 nautical miles
- 5. The speed ratio of car a and car B is 5 to 4. After meeting, car a and car B go on at the same speed The speed ratio of a and B is 5 to 4. After meeting, car a and car B continued to move forward at the original speed. When car a arrives at B, car B is 60 kilometers away from A. how many kilometers did car B travel when they met?
- 6. It costs 65 yuan to buy 10 kg apples and 20 kg pears. The price of 1 kg apples is the same as that of 1.25 kg pears I'm stupid,
- 7. There are a and B piles of mud. In the past, the mass of cement in pile a was 7:5 of that in pile B. now, 12 tons of cement is transported from pile B to pile a At this time, the mass of pile a's water hammer is 7.8 moles. How many tons of cement are there in pile a and pile B
- 8. The two vehicles a and B depart from two places 360 km apart. It is known that the speed of vehicle a is 60 km / h and that of vehicle B is 40 km / h. If vehicle a drives 1 km / H first, the speed of vehicle B is 40 km / h
- 9. A plane flies between two cities with a wind speed of 18 km / h. It takes 2 hours and 50 minutes to fly along the wind and 3 hours to fly against the wind, The voyage between the two cities
- 10. For a batch of goods, a and B can complete 56% of this batch of goods in 6 days. If they are transported alone, it takes the same time for a to complete 13 and B to complete 12______ Day B: Yes______ Day
- 11. Factorization factor (2a + b) (b-2a) - B (5b-8a)
- 12. 4a+4b/5ab × 15a²b/a²-b²
- 13. It is known that a = A & # 178; - 2b + π / 2, B = B & # 178; - 2C + π / 2, C = C & # 178; - 2A + π / 2, where a, B and C are real numbers, Verification: at least one of a, B and C is positive
- 14. Given A-B = 2, then the value of algebraic formula 3 (a-b) 2 + 2b-2a is______ .
- 15. If the binomial trinomial X & # 178; - ax + 2a-3 of X is a complete square, then the value of a is
- 16. If X & # 178; - ax + 2a-4 is a complete square, find the value of A
- 17. Given x + y = 2, xy = 0, find X & # 178; + Y & # 178; and (X-Y) 178;
- 18. Given that x, y ∈ R, try to compare the size of X & # 178; + Y & # 178; + 1 and XY + X
- 19. (- 2A) times a - (- 2A) square
- 20. The second problem is as follows: a (a-b) - B (a + b) =?