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Arisa [49]
3 years ago
8

Please answer as soon as possible!!! Will give brainlyest!!!!!!!!!!!

Mathematics
1 answer:
8_murik_8 [283]3 years ago
3 0
The correct answer is C.

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What is the simplified form of the following expression? 7(^3 square root 2x) - 3 (^3 square root 16x) -3 (^3 square root 8x)
Pachacha [2.7K]

Answer:

The third option listed: \sqrt[3]{2x} -6\sqrt[3]{x}\\

Step-by-step explanation:

We start by writing all the numerical factors inside the qubic roots in factor form (and if possible with exponent 3 so as to easily identify what can be extracted from the root):

7\sqrt[3]{2x}  -3\sqrt[3]{16x} -3\sqrt[3]{8x} =\\=7\sqrt[3]{2x}  -3\sqrt[3]{2^32x} -3\sqrt[3]{2^3x} =\\=7\sqrt[3]{2x}  -3*2\sqrt[3]{2x} -3*2\sqrt[3]{x}=\\=7\sqrt[3]{2x}  -6\sqrt[3]{2x} -6\sqrt[3]{x}

And now we combine all like terms (notice that the only two terms we can combine are the first two, which contain the exact same radical form:

7\sqrt[3]{2x}  -6\sqrt[3]{2x} -6\sqrt[3]{x}=\\=\sqrt[3]{2x} -6\sqrt[3]{x}

Therefore this is the simplified radical expression: \sqrt[3]{2x} -6\sqrt[3]{x}\\

5 0
3 years ago
What is the slope of the equation-3=-4(x-5)
scZoUnD [109]
You need to simplify it first. 
-3=-4(x-5)
Use distribution
-3=-4x+20
y=mx+b
m=slope
your slope is -4 :)
5 0
3 years ago
hi how are you how do i get the answers for my self because i am a teacher and get just the test with out the answer on them for
Daniel [21]
Well, I saw my teacher solving the test herself, and then grading papers off of her paper that she solved. My teacher made the answer key for the tests.
4 0
3 years ago
If f(x) = 7x − 1, what does f(12) represent?
olga2289 [7]
I think it is D, too. Did you submit the test yet?
8 0
3 years ago
Solve 6( x + 20) = 168
Licemer1 [7]

Answer: X=8

Step-by-step explanation:

168/6=28. x+20=28. 8+20=28.

6(8+20)=168

8 0
3 years ago
Read 2 more answers
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