What is the sum?
3x/x-4 + x-3/2x
1 answer:
Answer:
(7x² - 7x + 12)/2x(x - 4).
Explanation:
- To do this calculation process:
We should common the denominator by multiplying the denominators of the two terms (2x)(x - 4) and dividing each denominator by the common denominator.
So, it will be equal:
[2x(3x) + (x -4)(x - 2)]/2x(x - 4)
= [6x² + x² - 7x + 12]/2x(x - 4)
= [7x² - 7x + 12]/2x(x - 4).
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b or d I think sorry if it is wrong
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Moles=mass/Mr
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Answer is:10.31mol
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