Jack N.

1) Expand 5 and square root 5 (square root 6 + 8 and square root 5)

2) Expand (Square root 3 - 4 and square root 5)(Square root 7 - 8 and square root 2)

USING ONLY DOPS FOR 3 AND 4

3) Expand (Square root 5 + square root 3)(Square root 5 - Square root 3)

4) Expand (3 and square root 11 + square root 7)(3 and square root 11 - square root 7)