Simplifying Expressions and Terms

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Across
  1. 2. 77/121
  2. 4. 4(x+3)-8(3x+7)
  3. 5. 21/24
  4. 8. 7x(-3y+4)
  5. 9. (x+2)(2x+4)
  6. 11. 5(3x+5y+4)+3(2y+4)
  7. 12. 15/21
  8. 13. 12x(3y+4)
  9. 14. (5-4)^2+(5-18+3)
  10. 15. 36/48
Down
  1. 1. -4(2x-3y+7)+8(-x+3y+4)
  2. 3. (1/2)(10x+4y-4)
  3. 5. -3(-x+3y-2)+2(2x-3y)
  4. 6. 3(2x+3)
  5. 7. 54/21
  6. 10. 36/54
  7. 11. -4(-3x+12)
  8. 12. 35/63