(4 – √12)(6 – √12)

(10 – √45)(4 + √45)

(3 – √12)(7 – √12)

(9 – √20)(6 – √20)

(6 + √27)(3 + √27)

(3 + √18)(4 – √18)

(7 – √27)(8 + √27)

(8 – √27)(7 – √27)

(7 – √45)(9 – √45)

(3 + √112)(7 + √112)

(5 + √48)(5 + √48)

(3 – √32)(3 – √32)

(3 + √27)(10 + √27)

(7 + √45)(3 + √45)

(4 – √80)(4 + √80)

(5 + √18)(5 – √18)

(9 + √80)(8 – √80)

(7 + √27)(2 – √27)

(9 – √28)(9 – √28)

(9 + √45)(3 + √45)

(4 + √80)(2 – √80)

(4 + √12)(8 – √12)

(5 – √12)(10 – √12)

(10 – √80)(8 + √80)

(8 – √45)(4 – √45)