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OpenStudy (anonymous):
After x+1/3 - x+2/2x have been combined using the Least Common Denominator of 6x, what is the numerator?
Answer:
-x2 + x + 3
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hartnn (hartnn):
how you got that ?
OpenStudy (anonymous):
I got the negative from the subtraction
OpenStudy (anonymous):
6x is on the bottom
OpenStudy (anonymous):
6/2 = 3
OpenStudy (anonymous):
that'd be a positive 3 so = 3
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OpenStudy (anonymous):
i mean it wouldn't equal, i meant you'd add 3
hartnn (hartnn):
3 is in the denominator, LCM =6x
so you'll multiply and divide by 2x
2x (x+1) will be your first term.
OpenStudy (anonymous):
i was wrong wasnt i:(
hartnn (hartnn):
2x is in the denominator, LCM =6x
so you'll multiply and divide by 3
3(x+2) will be your 2nd term.
got this ?
hartnn (hartnn):
2x^2+2x -3x-6 = 2x^2-x-6
are you getting all this ?
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OpenStudy (anonymous):
how is 2x in the denominator?
OpenStudy (anonymous):
i get the 3(x + 2) part
OpenStudy (anonymous):
how did you get negative 3 in "2x^2+2x -3x-6" this?
hartnn (hartnn):
x+2/2x in your question....
there is minus - sign in between
2x(x+1)- 3(x+2)
OpenStudy (anonymous):
oh okay
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