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KonstantinChe [14]
3 years ago
6

Simplify: (8 - 5i) - (-2 +3i)

Mathematics
2 answers:
andrezito [222]3 years ago
8 0

Answer:

Step-by-step explanation:

(8-5i)(2-3i)

using FOIL,

16-34i+15i squared?

Ipatiy [6.2K]3 years ago
7 0

Answer:

(3) -(1) = 2i

Step-by-step explanation:

use bomdass

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X + (-4) = -2 <br> What does X repesents??? Please help
Nonamiya [84]

Answer:

x=2

Step-by-step explanation:

x+(-4) is the same as x-4

First you have to get X alone so you add 4 to both sides because when you add 4 to both sides it will take away the 4 on the x side.

x-4=-2

+4    +4

x= -2+4                or you can see this as 4-2 which is 2

x=2

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Which of the following is the product for (x+4)(x-2)?
larisa86 [58]

Answer:

A

Step-by-step explanation:

X times x is x squared then x times - 2 is - 2x but 4 times x is 4x. So 4x plus - 2x is 2x. Then 4 times - 2 is - 8 put that all together you'll get x^+ 2+2x-8

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3 years ago
What is the LCD of the following rational expressions?
Aloiza [94]
\dfrac{x}{x+1} \ , \  \dfrac{7x}{x-1}

\dfrac{x (x -1)}{(x+1)(x -1)} \ , \  \dfrac{7x(x+1)}{(x-1)(x+ 1)}

<u>We know that (a + b)(a - b) = a² - b²:</u>

\dfrac{x (x -1)}{x^2 - 1}} \ , \ \dfrac{7x(x+1)} {x^2 - 1}

Answer: LCD = ( x + 1) (x - 1)
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3 years ago
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If 30 kids in the class like grape juice, how many<br> kids like pineapple juice?
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Sorry, I'm going to need a more accurate question. How many kids are there in total?

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