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Mathematics 16 Online
OpenStudy (rainbow_dash):

Simplify.

OpenStudy (rainbow_dash):

\[2/x^2y - x/y\]

OpenStudy (alexwee123):

@Rainbow_Dash what do you think the first step should be?

OpenStudy (rainbow_dash):

uhh, cancel out like terms?

OpenStudy (alexwee123):

no that might come next after you add the fractions

OpenStudy (alexwee123):

so can you add the fractions for me?

OpenStudy (alexwee123):

@Rainbow_Dash you there?

OpenStudy (rainbow_dash):

sorry was gone. okay so add the fractions

OpenStudy (rainbow_dash):

you got 2-x/x^2 * 2y?

OpenStudy (anonymous):

\[\frac{ 2-x^3 }{ x^2y } \]

OpenStudy (rainbow_dash):

how did you get that?

OpenStudy (anonymous):

I don't know... I copied it from wolfram alpha

OpenStudy (anonymous):

:)

OpenStudy (rainbow_dash):

Ahaha.

OpenStudy (anonymous):

Lol JK I'll really show you how to do it. So, when you add fractions you know you have to find a common denominator, right? Well, to make y the same as x^2y, you have to multiply y by x^2.

OpenStudy (anonymous):

But what you do to the demoninator, you do to the numerator, so you'll get x*x^2, which is x^3. Now that both of the denominators are alike, you can subtract.

OpenStudy (anonymous):

|dw:1345699713955:dw|

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