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tresset_1 [31]
3 years ago
10

Express the product of (6-2i)(-4+3i) in a+bi form

Mathematics
1 answer:
Dafna1 [17]3 years ago
8 0
Multiply through the parentheses:
-24 + 18i + 8i + 6
18 + 26i

18 + 26i is the answer
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In a pen of goats and chickens, there are 40 heads and 150 feet. How many goats and chickens are in the pen?
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Hey there!!

A chicken has 1 head and 2 feet . A goat has 1 head and 4 feet

For heads, total = 40

Let us take the number of chickens as ' x ' and goats as ' y '

x + y = 40 ------------- ( 1 )

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Multiply the first equation with 2

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Subtract the first equation from the first

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substitute this in other equation

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