Question: 18 . ( V8 + 3 /2 ) ( 18 - 3V2) 19. (V2y + 7) (3y - 7) 20. (15x - 3) ( V3x

18 . ( V8 + 3 /2 ) ( 18 - 3V2) 19. (V2y + 7) (3y - 7) 20. (15x - 3) ( V3x + 3 ) In exercises 21-26, rationalize and simplify. weand the 3 V2 + 13 21. 22. 9 - 17 23. 3- 15 2V/2-313 5V3 + 12 the expo 5 v x + 3 jy 3 Jy - 2Vx 24. 13 - V2 25. 5v x - 3y 26. 3 \\ y + 2 vx h stom ano to look sisupa off er In exercises 27-30, solve the equation. 27. Vx - 3 =1-Vx 28. 6 Va - 3 = a+2 29. V25- x2 +1=x 30. Vx + 2+1 = vx

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