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Naily [24]
4 years ago
8

I need help with #18

Mathematics
2 answers:
Anastasy [175]4 years ago
8 0
They arent equivalent because the simplified version of 3(5x) is 15x and the simplified version of the other one is 45x.

Hope this helps!!
Kamila [148]4 years ago
7 0
Well, let’s start with simplifying both of them. 3(5x) simplifies down to 15x. For (3*5)(3*x), you have to use FOIL. Using FOIL you get 9+3x+15+5x, which by combining like terms you get 8x+24. These are clearly not equal (equivalent). You can explain that solving them produces different results and give the process I used to solve both of them.
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Answer:

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Umnica [9.8K]

Answer:

\boxed{\sf \ \ \ f^{-1}(x)=\dfrac{x+1}{5} \ \ \ }

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hello

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