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Olin [163]
3 years ago
15

I need to know how to simplify this equation

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

\frac{ {3}^{x + 4} -  {3}^{2x + 2}  }{ {3}^{x - 2} \times  {3}^{x + 4}  }  =   \frac{x + 4 - 2x - 2}{(x - 2) \times (x + 4)}  =  \frac{ - x + 2}{ {x}^{2} + 4x - 2x - 8 }  =  \frac{ - x + 2}{ {x}^{2}  + 2x - 8}
i could be wrong, was kinda in a rush
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2 years ago
Which two points satisfy y = -x2 2x 4 and x y = 4?
matrenka [14]
I will assume that the two equations are

1) y = -x^2 +2x + 4 and 2) x +y = 4

subtract 2 from 1 and you get

y -x - y = -x^2 + 2x + 4 - 4

-x = -x^2 +2x

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x(x-3)=0

x=0 and x - 3 =0

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Then y = 4 - x

y = 4 - 0 and y = 4 -3
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Solutions:

Points (0,4) and (3,1)

 



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Studentka2010 [4]

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Step-by-step explanation:

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Answer:

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