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A) 20

B) 18

C) 12

D) 10

14 .What is the value of (2 + 8i)(1 – 4i) – (3 – 2i)(6 + 4i) ? (Note: i = )

A) 8

B) 26

C) 34

D) 50

15 .If 2 = x − 3, which of the following is the solution set for x ?

A) {–1, 9}

B) {1,  –9}

C) {9}

D) {1,  9}