What is the LCD of 3x/x+1 + x+1/2x + 5/x?

What is the LCD of 3x/x+1 + x+1/2x + 5/x?

a) 2(x^2+1)

b) 2x+1

c) 2x(x+1)

d) 2(x+1)
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1 Answer

x+1:  x + 1

2x:   2 * x

x:  x

You need (x+1) * 2 * x to be able to make each of those bottoms.

LCD = 2x(x+1)

Answer:  c)
by Level 13 User (103k points)

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