Time remaining:
polynominals factorout a factor with a negative coefficient

label Algebra
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schedule 0 Hours
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Nov 22nd, 2014

lets use the example in -12a^5+12a^4-4a^3

You can factor out a -4 since that can be easily divided into 12 and you can take out an a^3 since that can be easily divided into a^5 and a^4...so in the end you can end up factoring out an entire -4a^3 out of each of the three parts of the polynomial:
-12a^5 / -4a^3 = 3a^2

12a^4 / -4a^3 = -3a 

-4a^3 / -4a^3 = 1

So in final factored form your polynomial looks like:

-4a^3 (3a^2 - 3a + 1)

Nov 22nd, 2014

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Nov 22nd, 2014
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Nov 22nd, 2014
Aug 17th, 2017
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