2 years ago

Hello, i was confused in this if anyone could help me with it

1 answer:

8 0

Answer:

hmmmmmm Okay From what question?

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pogonyaev

Answer:

C) $122+154i$

Step-by-step explanation:

$(14-2i)(7+12i)\\\\(14)(7)+(14)(12i)+(-2i)(7)+(-2i)(12i)\\\\98+168i-14i-24i^2\\\\98+154i-24(-1)\\\\98+154i+24\\\\122+154i$

Therefore, C is correct. Recall that $i^2=-1$

3 0

1 year ago

Stells [14]

Answer:

Step-by-step explanation:

6x+2=9x-1 x=1

6(1)+2=9(1)-1

6+2=9-1

8=8

Hope this helps :)

8 0

2 years ago

Alex Ar [27]

10 is the answer ...

3 0

2 years ago

mafiozo [28]

Answer: c I believe

Step-by-step explanation:

7 0

2 years ago

sergey [27]

Multiply the fraction by both things in the parenthesis.

8 0

2 years ago