Factorization: X, y-2y, x + y, cubic a, cubic-a

Original formula = y (x square - 2XY + y Square)
=Y (X-Y) squared
Original formula = a (a squared-1)
=a(a+1)(a-1)

RELATED INFORMATIONS

1. Expand the wings of your imagination, guess as many practical problems as possible from the equation X10 + X + 215 = 1, write them out and solve them
2. On the third person singular of English Verbs When there are does in the sentence, the third person singular verb is reduced. When there are do, don't, do you still use the third person singular verb For example, I do not think he likes music?
3. In the third person singular, should s be added to the verb?
4. If the last sound of a noun or verb is / S /, how do you read the plural or the third person singular plus s? For example, the last sound of sacrifice is / S /, so how should I read this word after adding s? Thank you
5. I like with verb or ing form of verb?
6. Do you want to add ing after like For example: I like singing
7. Do you want to add the verb ing after likes? The third person singular, such as she likes () (play) based ball Should it be playing? It's the third person singular. Do you really want to add it? So tangled, er
8. Are there any rules for the third person singular and plural of action verbs?
9. What is the singular and plural of verbs and what is the third person singular of verbs
10. What's the difference between am is are in English First floor Baidu
11. Find the unknown X; 7 / 12 vs x = 1 / 12
12. The solution of inequality about X, 2x + 1 / X ≥ - 3
13. The sum of monomials - 7x ^ 2Y, 3x ^ 2Y ^ 2Z, - half XY, 5x ^ 2Y, 0.5xy, - 4x ^ 3 is () A. quintic trinomial B. quintic quaternion C. cubic polynomial D
14. If the distance between the point P (4, a) and the line 4x-3y = 1 is not greater than 3, then the value range of a is () A. [0，10）B. （0，10]C. （-10，0]D. [0，10]
15. In the triangular pyramid p-abc, it is known that PA = Pb = PC = 2, ∠ BPA = ∠ BPC = ∠ CPA = 30 ° and the shortest distance of a rope from point a to point a is______ ．
16. How to lay the floor of 5m long and 3M wide with two triangular floors with right angle sides of 30cm and 10cm respectively? How to lay the floor of 3M wide and 5m long?
17. Given that the maximum value of quadratic function F X = kx2 + 2kx + 1 in the interval [- 2,2] is 9, find the value of real number K
18. The length of one side edge of a triangular pyramid is 16 cm, the length of the opposite edge is 18 cm, and the length of the other four edges is 17 cm
19. When passing through P (5, - 3), the angle of inclination is a, and cosa = - 3 / 5, the intersection circle x + y = 1 is located at P1 and P2, the coordinates of chord midpoint of PP1 * PP2 and p1p2 are calculated (with parameter Square) P1P*PP2=t1t2=330
20. As shown in the figure, in the parallelogram ABCD, e and F are on the sides of AD and BC respectively, and AE = cf. the following results are obtained: (1) the △ Abe ≌ △ CDF; (2) the parallelogram bfde is a parallelogram