SOLUTION: Please help i have tried to figure this out and I am at a loss. I think you start out by using foil... Write answer in standard form . Assume k is a positive interger. [(x-1)+5

Algebra ->  Algebra  -> Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Please help i have tried to figure this out and I am at a loss. I think you start out by using foil... Write answer in standard form . Assume k is a positive interger. [(x-1)+5      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 61638: Please help i have tried to figure this out and I am at a loss. I think you start out by using foil...
Write answer in standard form . Assume k is a positive interger.
[(x-1)+5i][(x-1)-5i]
Answer by joyofmath(189) About Me  (Show Source):
You can put this solution on YOUR website!
It's useful to know in general that %28a%2Bbi%29%28a-bi%29+=+a%5E2-abi%2Babi-%28b%5E2%29%28i%5E2%29+=+a%5E2-%28b%5E2%29%28-1%29+=+a%5E2%2Bb%5E2.
Apply this to %28%28x-1%29%2B5i%29%28%28x-1%29-5i%29 where a=(x-1) and b=5
and you get: %28x-1%29%5E2%2B5%5E2+=+x%5E2-2x%2B1%2B25+=+x%5E2-2x%2B26.