SOLUTION: Could you please tell me the steps to solve this problem? (x-7-5i)(x-7+5i) Thanks

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Could you please tell me the steps to solve this problem? (x-7-5i)(x-7+5i) Thanks      Log On


   



Question 662626: Could you please tell me the steps to solve this problem?
(x-7-5i)(x-7+5i)

Thanks

Found 2 solutions by Alan3354, MathLover1:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Could you please tell me the steps to solve this problem?
(x-7-5i)(x-7+5i)
= x*(x-7+5i) - 7*(x-7+5i) - 5i*(x-7+5i)
= x%5E2-7x%2B5ix+-+7x%2B49-35i+-+5ix%2B35i-25i%5E2
= x%5E2+-+14x+%2B+74
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Not actually solving, just multiplying.

Answer by MathLover1(20850) About Me  (Show Source):