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Sedaia [141]
4 years ago
12

Multiply -3i and it’s conjugate. Simplify.

Mathematics
1 answer:
Alex_Xolod [135]4 years ago
5 0

Answer:

-3 + 9i

Step-by-step explanation:

The conjugate of -3i is - 3 - i.

(- 3 i) × (- 3 - i)

Multiply both terms.

-3 + 9i

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(08.01 LC)
Luba_88 [7]

Answer:

(2, 0)

There is one solution

Step-by-step explanation:

Given the set of equations

x+y = 2

2x+y = 4

Substract both equations

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Multiply thrugh by -1

-1(-x) = -1(-2)

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Substitute x = 2 into equation1 ;

From 1, x+y = 2

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5 0
3 years ago
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Answer:

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