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forsale [732]
3 years ago
12

Simplify expression show step by step (-2i)(8i)

Mathematics
1 answer:
TiliK225 [7]3 years ago
5 0

Answer:

16

Step-by-step explanation:

<u>Remember that i^2 = -1 </u>

(-2i)(8i)

-16i^2

-16(-1)

16

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tiny-mole [99]

Answer:

             Infinitely many solutions.

Explanation:

              In this case we gonna use ELIMINATION BY ADDITION method.For that first we are gonna eliminate the terms containing ( X ).

 Equation no 1:

                            3x + 3y = 10

 Equation no 2:

                           -9x - 9y = -30

  Now multiply equation no 1 with (3 )

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   Now ADD both the equations

                            9x + 9y = 30

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                                       0    = 0

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