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October 22, 2014

October 22, 2014

Posted by **Monica** on Monday, August 4, 2014 at 7:10pm.

- Math 221 -
**Damon**, Monday, August 4, 2014 at 7:14pmBe careful with numerators and denominators and parentheses

What you wrote is

24x^5- (15x^4/3x^2)

but I bet what you mean is

(24x^5-15x^4)/3x^2

which is

24x^5/3x^2 - 15x^4/3x^2

or

8 x^3 - 5 x^2

- Math 221 -
**Monica**, Monday, August 4, 2014 at 7:17pmNo the one I wrote is correct you divide by 3x^2 and there was no parentheses

- Math 221 -
**Damon**, Monday, August 4, 2014 at 7:21pmok if you really mean that.

I had a hunch it looked like

24x^5-15x^4

------------

3x^2

but if you really mean

24 x^5 - (15 x^4/3 x^2)

then

24 x^5 - 5 x^2

- Math 221 -
**Monica**, Monday, August 4, 2014 at 7:23pmIt looks like the first one

- Math 221 -
**Damon**, Monday, August 4, 2014 at 7:26pmGo with my original reply then. I had a hunch that was the case because both 24 and 15 were divisible by 3.

- Math 221 -
**Damon**, Monday, August 4, 2014 at 7:30pmwhen you have more than one term in a numerator or denominator, put a parenthesis around them

a + b/c is just that , a alone plus b/c

but

(a+b) / c

is

a+b

-----

c

or

a/c + b/c

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