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anonymous

  • 4 years ago

simplify: (4-8i) * (-5+2i)

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  1. anonymous
    • 4 years ago
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    did you distribute (aka FOIL) it out ?

  2. anonymous
    • 4 years ago
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    is that what I need to do to solve?

  3. anonymous
    • 4 years ago
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    ok will try it and check back in abit

  4. anonymous
    • 4 years ago
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    This simplification is like this .Proceed by a term by term multiplication that is 4*-5+4*2i+(-8i*-5)+(-8i*2i) i*i is i^2=-1 So the result is -4+48i

  5. anonymous
    • 4 years ago
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    ok ty I was struggling

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spraguer (Moderator)
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