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Mathematics 17 Online
OpenStudy (anonymous):

Can anyone check this question? Add and simplify: 2x+10 over(x+5) + x over x+5

OpenStudy (anonymous):

Are you asking to check your answer, or are you asking whether the question can be worked?

OpenStudy (anonymous):

I think it's 2/5 x ≠ −5 and the picture is the answer options and equations

OpenStudy (anonymous):

equation*

OpenStudy (anonymous):

and I was hoping you could check my answer

OpenStudy (anonymous):

ok. Hang on a second. Let me go back and see the problem again.

OpenStudy (anonymous):

Hmmm...I get something different. You cannot cancel out the x's in the fraction once you have combined the numerators.

OpenStudy (anonymous):

what'd you get?

OpenStudy (anonymous):

Well, if you cannot cancel out the x's, you get \[\frac{(x+2) }{ (x+5) }\] and \[x \neq-5\]

OpenStudy (anonymous):

what would you need to do to get the -5 to 0?

OpenStudy (anonymous):

What the statement means is that you cannot use -5 for x, because if you do, substituting -5 into the problem will result in a denominator of 0, which you cannot have.

OpenStudy (anonymous):

oh I see.. thank you!

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