Factorization of x ^ 2-y ^ 2 + X + 5y-6
Original formula = (x + y) (X-Y) + 3 (x + y) - 2x-2y-6
=(x+y)(x-y+3)-2(x-y+3)
=(x-y+3)(x+y-2)
RELATED INFORMATIONS
- 1. If the quadratic power of (x-5y-16) + |5y-5x-4 | = 0, then x = (), y = ()
- 2. When Y-X = 5 x ^ 2-y ^ 2 + 5x + 5Y + 2009 =?
- 3. The square of (x-3) (2-x) (x + 1) (x + 2x + 4) is less than or equal to 0
- 4. How to solve the equation x + 1 / 2 + 1 / x = the square of X + 32 / 2x It's 15 in the end
- 5. X square - 1 / 2x square + 2x + 1-X-1 / 1,
- 6. 4X + 15 less than or equal to x square + 2x
- 7. What is the square of 2x - 10 Factoring is fast
- 8. When x = 5, the square of x = 25,2x = 10; when x = what, the square of x = 2x
- 9. 1.8-2x / X squared - 16, where x = - 2 2. X-2 / 1 + 3 = X-2 / X-1 3 + 2 / x-x = 1 / 2 + X + 1 / 3
- 10. (2-x) square = 16 4 (x + 1) square - 25 = 0 x square - 2x + 1 = 3
- 11. -Factorization of x ^ 2-5y (5y-2x)
- 12. Given x + y + 6x-4y + 13 = 0, find the value of (x + y) to the power of 2008 Such as the title, to the detailed process
- 13. Known: x2 + Y2 + 6x-4y + 13 = 0. Find the value of (x + y) 2008
- 14. Let x, y, a be rational numbers, define x * y = axy4x + 5Y, and 1 * 2 = 1, try to find the value of 2 * 3
- 15. X * y is 4x + 5Y divided into axy, and 1 * 2 = 1, find the value of 2 * 3 There must be an operation process, and every step must have one
- 16. How much is root 1.2 times root 54 times root 0.6
- 17. It is known that the solution of the equation 1 / 2x = - 2 about X is 2 smaller than that of the equation 5x-2a = 0 about X. try to solve the equation 1 / ay-15 = 0 about y
- 18. The solution equation: 4 (X-2) (x + 5) - (2x-3) (2x + 1) = 5
- 19. When a = (), the solution of equation a (x-1) = 2X-4 is x = 3
- 20. Explore the value of a, so that the root of the known equation 2x + a = 7 + X is (1) positive number; (2) positive even number