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Irina-Kira [14]
3 years ago
13

Factor the expression completely over the complex numbers. x^3-4x^2+4x-16

Mathematics
1 answer:
Orlov [11]3 years ago
5 0

First you must know that is i∧2= -1

x∧3-4x∧2+4x-16 = x∧2 (x-4) + 4 (x-4) = (x-4) (x∧2+4) = (x-4) (x∧2-(-4)) =

= (x-4) (x∧2-(-1) *4) = (x-4) (x∧2- i∧2*2∧2) = (x-4) (x∧2-(2i)∧2) = (x-4) (x-2i) (x+2i)

Good luck!!!

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Answer:

0 = a

Step-by-step explanation:

The first thing to do is subtract 5 from both sides.

a + 5 = 5a + 5

   - 5          - 5      

The 5's cancel out.

Now we have a + 0 = 5a

You next subtract the a from both sides.

a + 0 = 5a

-a          -a

0 = 4a

Lastly would to get a by itself so then we divide 4 from both sides

0 = 4a

_     _  

4     4

0 = a

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3 years ago
Really need help! Brainliest to correct!
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Answer:

<u>Given</u>:

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<u>Find the following</u>:

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  • R(80) = 59(80) - 0.3(80²) = 2800
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Keith has a package of 75 marbles.He gave an equal number of marbles to each of his 8 friends. How many marbles will be left ove
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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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Vlad [161]

Answer:

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Step-by-step explanation:

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