Homework Help: Math

Posted by Lynn on Saturday, August 7, 2010 at 5:53pm.

I factored 3.6x^6+2x^6-2.8x^2+3.2x as; 3.6x^7+2x^6-2.8x^2+3.2x However my answer is incorrect.
The correct answer should be; 0.4x(9x^6+5x^5-7x+8)
How do I get to the correct answer? So that I am able to do similar problems, because every problem that I have factored with decimals I had gotten wrong. I do not have this problem with factoring polynominals without decimals.

Math - Damon, Saturday, August 7, 2010 at 8:59pm
I think you mean
3.6x^7+2x^6-2.8x^2+3.2x
first take out (1/10) to get rid of decimals
(1/10)(36x^7+20x^6-28x^2+32x)
now take out 4x
(4x/10)(9x^6+5x^5-7x+8)
Math - shamim, Wednesday, October 27, 2010 at 8:09pm
what is 4 divide by 8165 the anwser
Math - shamim, Wednesday, October 27, 2010 at 8:16pm
what is 4 divide by 8165 the anwser

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