What is the product of (5-2i)(3+i)

1 answer:

zvonat [6]3 years ago

3 0

The is the answer on my paper:

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Gnesinka [82]

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6.8(6.7 – 7.2) – 2(4.6 + 1.2) =-15

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Annette [7]

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I think the right answer is B.

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Marianna [84]

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2 years ago

malfutka [58]

This resembles a quadratic and we can factor it using that pattern.

$(x^2)^2-(10x^2)+9=0$

$(x^2-9)(x^2-1)$

$(x+3)(x-3)(x+1)(x-1)=0$

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3 years ago

larisa86 [58]

9 - 6x = 45
-9 -9
_____________
-6x = 54

x = -9

________________________
So when you plug that answer into x-4 you get -9 -4, which equals -13.

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3 years ago