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Find the product. (6-3i)(2-7i)
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Jun 26, 2018
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Find the product.
(6-3i)(2-7i)
Mathematics
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Datguywhowanders
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Simplify to 12-6i-42i+21i^2 and then to 21i^2+48i+12
The Hand Of NOD
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Jun 28, 2018
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The Hand Of NOD
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Here you just distribute and solve
12-42i-6i+21i^2
12-48i+21i^2 (combine like terms)
And remember that i^2 is the same as -1, so we can rewrite it:
12-48i+21(-1)
12-48i-21
-9-48i (combine like terms)
Hope this helps
Javorosas
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Jun 30, 2018
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