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yes pleaseeeee :D
what's the problem?
It is p4t-3 over r-2
|dw:1332894399534:dw| is this what you mean?
i did not know you could draw on this o.o but yes :D
yes... press that pencil looking thing to modify that drawing. use your mouse to "draw".
isn't technology great? :)
Alright and yes yes it is :)
ok. what do you want done with this? (what is the instruction on the textbook problem?)
it says to simplify
hmm. do they give any values for p, t, r ? because this expression is simplified already.
does the book say to replace p, t, r with certain values then simplify?
nope all it says is to assume the denominator equals zero
assume the denominator = 0 ? the denominator here is r-2. so if r-2=0 that means r=2. I don't know why the textbooks says "assume the denominator = 0". But if that's the case, then this expression does not make any sense... a zero in the denominator means you're dividing by 0. If you take a calculator and ask it to divide by zero, it will give you an error message.
can you state what textbook this is, what chapter title this problem is from, and I'll see if I can google it.
or how about this... can you give another problem from that same section?
Glencoe Mcgraw-Hill Algebra 1lesson 7-2 pg.413 19-42
ok. that first problem is already simplified (check to see if it is written down correctly). but this problem can be simplified. do you want to work on this one?
simplifying expresions is very much like reducing fractions.. like this|dw:1332896144967:dw| you understand what happened here?
cross out everything that is COMMON on both the numerator and denominator.
where did you get the 12 from?
it's not 12. I cancelled the common factor of 2 from both top and bottom then put a 1 in their place.
ohhhh so where's the 6 over 8 from? sorry i'm really bad at math :(
this is just an example. we're going to use these same steps to simplify your problem.
so in your problem, |dw:1332896790245:dw|
do you see that all i did was to write c^2 as c*c, d^5 as d*d*d*d*d, etc...?
now we cancell all common factors from the top and bottom and replace with a 1... like this.|dw:1332897084525:dw|
ohhhhhhh i get it now thank you so much :D
wait, almost done...
I KNEW IT lol sorry but yeah keep going :D
|dw:1332897378190:dw| anything raised to the zero power is 1.
you can verify that on your calculator.... so your answer is |dw:1332897466842:dw| now we're done....
later on, you'll probably figure out different ways of simplifying. my teacher made us do it this way until we could actually figure out the patterns. shortcuts will make this much easier. trust me... good luck!!! :)
NOW THANK YOU SO MUCH :D you are the bestttt