-2xy-x2-y2 factorization

Extraction - transformation (X & # 178; + 2XY + Y & # 178;), decomposition factor is - (x + y) &# 178
Because you type letters first and then numbers, you think you want to square them

RELATED INFORMATIONS

1. Can x2-2xy + y2 = 1 be factorized
2. Decomposition factor: 1-x2 + 2xy-y2=______ ．
3. Factorization factor 1-x2 + 2xy-y2
4. Given x + y = 1, find the value of x2 + 2XY + Y2
5. If x2-2xy-y2-x + Y-1 = 0, find the value of X-Y
6. Given that X-Y + 1 and x 2 + 8 x + 16 are opposite to each other, find the value of x 2 + 2XY + y 2
7. -Is x2 + 2xy-y2 a complete square If it can be used, does it mean it can be used? that. 4Y & # 178 / / X & # 178; - XY + Y & # 178; this should not work, right?
8. If x and y satisfy x2 + y2 = 1, then the minimum value of (Y-2) / (x-1) is; the maximum value of X / 3 + Y / 4 is I don't understand why (Y-2) / (x-1) can be regarded as the slope of the line between any point (x, y) and point (1,2) on a circle
9. If x2 + y2 = 1, find the maximum and minimum of y = 3x2 + 4y2-2x-5 Specific steps should be taken
10. Given 3x2 + 2Y2 = 9x, find the maximum value of x2 + Y2 3x2 means 3x square, and so on Urgent, Can we use the monotonicity and the maximum (minimum) value of the function of higher one to answer?
11. What is the cubic power of AX2 + 2a2x + A and - 2xy-x2-y2,
12. If y = √ 1-2x + √ 2x_ 1 + 1 / 2, find √ x2 + Y2 - √ x2 + Y2 + 2XY =?
13. Given x2 + y2 = 2, find the value range of x2-2xy-y2
14. What is the sum of [1 / 2XY + Y2 + 1] + [x2-1 / 2xy-2y2-1]
15. 2xy-x2-y2+9 Decomposition cause death form
16. (x2-2xy + Y2) - (x2 + 2XY + Y2) = what
17. If there is a point on the right branch of hyperbola x2a2 − y2b2 = 1 (a > 0, b > 0), and the distance from it to the right focus and the left quasilinear is equal, then the value range of eccentricity of hyperbola is () A. (1，2]B. [2，+∞)C. (1，2+1]D. [2+1，+∞)
18. If there is a point on the right branch of hyperbola x2a2 − y2b2 = 1 (a > 0, b > 0), and the distance from it to the right focus and the left quasilinear is equal, then the value range of eccentricity of hyperbola is () A. (1，2]B. [2，+∞)C. (1，2+1]D. [2+1，+∞)
19. The sum of three consecutive even numbers is 3a, and the smallest of the three numbers is 3a______ The biggest is______ ．
20. It is known that: as shown in the figure, ∠ B = ∠ C = 90 °, M is the midpoint of BC, DM bisects ∠ ADC. (1) prove that am bisects ∠ bad; (2) try to explain the position relationship between DM and am? (3) What is the relationship between CD, AB and ad? Write the results directly