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lutik1710 [3]
2 years ago
5

What is the value of the expression given below? (8-3i)-(8-3i)(8+8i)

Mathematics
2 answers:
enyata [817]2 years ago
6 0

Answer:

-76-43i

Step-by-step explanation:

First expand the multiplied terms

8-3i-(64+64i-24i+24)

8-3i-(64+40i+24)

Simplify

8-3i-64-40i-24

-76-43i

Lapatulllka [165]2 years ago
5 0

Answer:

-80-43i

Step-by-step explanation:

(8-3i)-(8-3i)(8+8i)

To find the value of the expression we need to simplify it

LEts multiply the parenthesis part using FOIL method

(8-3i)-(64+64i-24i-24i^2)

(8-3i)-(64+40i-24i^2)

The value of i^2 is -1

(8-3i)-(64+40i-24(-1))

(8-3i)-(64+40i+24)

(8-3i)-(88+40i)

Now we remove the parenthesis

8-3i-88-40i

combine like terms

-80-43i

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The sum of three numbers is 102. The first number is 6 more than the second. The third number is 4 times the second. What are th
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Answer:

1st number: 22

2nd number: 16

3rd number: 64

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x = 6 + y

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plug that in!

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move 6 to the other side.

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D

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