Operations

123456789101112131415
Across
  1. 3. (5c)²
  2. 5. 5x(x+4)
  3. 7. (7x)(8y)
  4. 8. 6x²(3x+9)
  5. 9. -4x(x2-4x+11)
  6. 13. (5x²+2x-3)+(-2x²+7)
  7. 15. 12x;x=8
Down
  1. 1. (5x+4)-(7x+2)
  2. 2. (3x²y+6xy+8)+(2x²y-2xy-11)
  3. 4. (10x²-4x+9)-(6x²+x-6)
  4. 6. (3x+4)+(7x-8)
  5. 10. (x+3)(x+5)
  6. 11. (9x+1)-(-2x+2)
  7. 12. (-4a^5)³
  8. 14. 3.14x²;x=8