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Mathematics 7 Online
OpenStudy (lukecrayonz):

(x-4)/(5x^4-3x^3+6x^2-x+12) MUST BE SOLVED WITH POLYNOMIAL LONG DIVISION

OpenStudy (anonymous):

not sure what you mean, since the denominator is bigger degree than numerator. you can either factor and cancel, or you can do nothing.

OpenStudy (lukecrayonz):

I set it up like you would normally, not how the problem is shown, sorry =[

OpenStudy (anonymous):

luke - do you small one divided into big one?

OpenStudy (lukecrayonz):

It truly is 5x^4.... divided by x-4, but I set it up already.

OpenStudy (anonymous):

if so it should be flipped over

OpenStudy (lukecrayonz):

Here is how it is written: 5x^4-3x^3+6x^2-x+12/x-4

OpenStudy (anonymous):

5x^3 + 17x^2+ 74x + 295 ------------------------ x-4 )5x^4- 3x^3 +6x^2 - x +12 5x^4 -20x^3 ----------- 17x^3 + 6x^2 17x^3 - 68x^2 ------------ +74x^2 - x 74x^2 - 296x ------------ 295x + 12 295x - 1180 ---------- 1192 5x^3 + 17x^2+ 74x + 295 remainder 1192

OpenStudy (lukecrayonz):

Can you explain the steps? =[

OpenStudy (anonymous):

wow very nice. it is extremely hard to write a long division problem here

OpenStudy (anonymous):

ok first you divide 5x^4 by x (the x in x-4) giving 5x^3 then multiply x-4 by 5x^3 to give 5x^4 - 20x^3 subtract this from 5x^4- 3x^3 to give 17x^3 and then bring down the +6x^2 now divide x into 17x^3 giving 17x^2 and carry on as in line 2

OpenStudy (anonymous):

ty satellite

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