Mybrainvsme
who wants to rationalize some expressions :D?
3xy/xy+x = 3?



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Mybrainvsme
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not = but the answer is 3 after cancling

Mybrainvsme
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oo we're not even rationalizing. I meant just simplify rational expressions.

dinainjune
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which mean x =0 ?

Dangolbery
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3 + x = 3 ?

Mybrainvsme
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factor then cancle

Mybrainvsme
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3xy/xy+x
xy+x factors to just x(y) right?

dumbcow
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is the denominator (xy+x)

Mybrainvsme
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which would then cancle with the xy on top leaving only 3. yes dumb

dumbcow
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\[\frac{3xy}{xy+x} = \frac{3xy}{x(y+1)} = \frac{3y}{y+1}\]

dumbcow
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only the x cancels

Mybrainvsme
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hummmm..

Dangolbery
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Oh you ment 3xy/(xy+x) :)

dumbcow
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when you factor something out, divide by each term
xy/x = y
x/x = 1

Mybrainvsme
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dumb would you look at another?

dumbcow
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sure