7 8 3 44. 2  8  64 208 8  8  144  (3i ) 8 8 ) 7 )(2i  4 2  7 )(2i (3i 3i 8 12i  14 8  12  2   14 4i 7 12i2 4(2 3i) 8  2 3i 2  1  3 i 2 The solution set is 3 1 3 . 1  i,   i 2 2   
44. 3 7 2 8  8  64 208 8  8  144  (3i 7 )(2i 8 )  (3i 7 )(2i 4  2 ) 8  3i 7 4i 2   12i2 14  12 14  8 12i 8 4(2 3i) 8  2 3i 2  1  3 i 2 The solution set is 1  3 i,  1  3 i .  2 2  