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Home > Science > Mathematics   »   Math- Algebra

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Old Feb 14, 2007, 05:40 PM
jklasd
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Math- Algebra
How do i do this problem?
(6-2i)(5+i)

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Old Feb 14, 2007, 10:22 PM   #2  
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using this it should be easy.
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Old Feb 15, 2007, 05:30 PM   #3  
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Also, I assume you're using i as in so don't forget that . That will help you simplify the solution some.
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Old Feb 17, 2007, 12:20 PM   #4  
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What I was taught was to use the FOIL method to do those kinds of problems. First, Outside, Inside Last.

Take 6*5, 6*i, -2i*5, and -2i*i put them in order as you multiplied and simplify.

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asterisk_man agrees: This is defiantly the way I always remember how it's supposed to work!
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