Given x + y = 3, xy = - 10, then | X-Y|=

RELATED INFORMATIONS

• 1. Given x + y = 3, xy = - 10, find (1) x ^ 2-xy = y ^ 2; (2) X-Y
• 2. If xy = - 3, x + y = - 1 / 3, then the value of X + (xy-4x) - 3Y is (),
• 3. If xy = - 3, x + y = - 1 / 4, then the value of X + (xy-4x) - 3Y is?
• 4. If x and Y in fraction XX + y are expanded to three times of the original, then the value of fraction XX + y is smaller______ ．
• 5. If x + 4y-3z = 0; 4x-5y + 2Z = 0, then 2x-y + 3Z =?
• 6. Given {x + 4y-3z = 0,4x-5y + 2Z = 0, then 3y-5z of 2x-y + 3Z =?
• 7. The solution equation is as follows: {2x / 3 + 3Y / 4, 4x / 5 + 5Y / 6 = 7 / 15
• 8. -6x(2/3x-2/5y)+12y(-3/8x+1/3y)=?
• 9. Solution equation: (6x + 5Y) - (2x-3y) = 336
• 10. Solve the equation 2x + 5Y = 12,2x + 3Y = 6
• 11. We know that x + y = 10, xy = 24, 2x ^ 2 + 2Y ^ 2=
• 12. If x + y = 10, xy = 24, then x ^ 2 + y ^ 2 =?
• 13. Given x + y = 10, xy = 24, find the value of 2x + 2Y
• 14. Given that the square of X + xy = - 5 and the square of XY + y = 9, what is the value of the square of X + 2XY + y?
• 15. Let me also ask you a question: given X - xy = 8, XY - y = - 9, find the value of X + Y - 2XY
• 16. Given X / y = 3, what is the value of (x + XY) / y? It's a process
• 17. Given: x + y = - 9, xy = 5, find the value of √ Y / x + √ X / y
• 18. Given (x + y) 2 = 9, (X-Y) 2 = 5, find the value of x 2 + y 2
• 19. Given x + y = 12, xy = 9, x < y, find the value of (x ^ 0.5 - y ^ 0.5) / (x ^ 0.5 + y ^ 0.5) RT
• 20. Given x + y = - 5, xy = 7, find the value of X 2Y + X y2-x-y