Need help solving this problem, (1+5i)(1-5i)?

please show work 10 points

2007-01-28 08:27:00 · 2 answers · asked by grim reaper 2 in Science & Mathematics ➔ Mathematics

(1+5i)(1-5i)

1-5i+5i-25i^2

1-25i^2

2007-01-28 08:45:25 · answer #1 · answered by music_gurl62091 2 · 0⤊ 0⤋

(1 + 5i)(1 - 5i) =

1 + 5i - 5i - 25iÂ²

1 -5i + 5i - 25(- 1)

1 + 25

26

- - - - - - - - -s-

2007-01-28 16:43:17 · answer #2 · answered by SAMUEL D 7 · 0⤊ 0⤋

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