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Nastasia [14]
3 years ago
13

Explain how you simplfy 5(4i - 3m) + 2m

Mathematics
1 answer:
Galina-37 [17]3 years ago
5 0

Answer:

20i - 13m. look at the picture

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Find a quadratic equation with roots -1, 4i and -1 - 4i
vazorg [7]
\bf \textit{difference of squares}
\\\\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)
\\\\\\
\textit{also recall that }i^2=-1\\\\
-------------------------------\\\\
\begin{cases}
x=-1+4i\implies &x+1-4i=0\\
x=-1-4i\implies &x+1+4i=0
\end{cases}
\\\\\\
(x+1-4i)(x+1+4i)=\stackrel{y}{0}
\\\\\\\
[(x+1)~~-~~(4i)][(x+1)~~+~~(4i)]=y
\\\\\\\
[(x+1)^2~~-~~(4i)^2]=0\implies (x^2+2x+1)~-~(4^2i^2)=y
\\\\\\
(x^2+2x+1)~-~(16\cdot -1)=y\implies (x^2+2x+1)~-~(-16)=y
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x^2+2x+1~~+16=y\implies x^2+2x+17=y
3 0
3 years ago
How many solutions can be found for the equation −4x − 11 = 2(x − 3x) + 13?
AveGali [126]
The answer is No solution
7 0
2 years ago
Read 2 more answers
I'll give brainlest to first correct answer!!!
zvonat [6]

Answer:

I think there both negative but I'm not sure

Step-by-step explanation:

if one is a positive and one is a negative then reflect over the y axis they should both turn negative

6 0
2 years ago
I needddddd helpppp itsss dueeeeeeeeeee TODAY
Nimfa-mama [501]

Answer:

Term and Coefficcent

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Ming wrote the table of points below.
borishaifa [10]

Answer:

I am 99.99% sure it is the first one

6 0
3 years ago
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