Question

5. Subtract the sum of 4x2 + 7xy + 3y2 + 1 and 2av2 - 5xy - 2y2 + 8 from 9x2 - 8xy + 1 ly2.

6. What must be added to 2x2 + 6x - 5 to get 3x2 - 2x + 6?

7. What must be added to 4 - 3x + 9x2 to get 3 - 4x2 - x?
8. What must be subtracted from 3xły - Zacy2 + 7x – 2y to get 7xy2 - 5x2y - 3x + 3y?
9. What must be subtracted from a2 + b2 + c2 - 3abc to get 2a2 - 62 - 3c2 + abc? 10. Subtract a3 - 3a2 from 63-362.​

Answer 1

Answer:

sorry don't know these answers