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Help with this math question please?
The problem is 6m³+54m²-6m, another is 5k⁴+8k³-4k², you can answer one or both preferably both, please help I haven't done this type of problem in like 2 years when I was in algebra, this is for summer homework by the way. Thanks for your help and please answer thoroughly so that I can figure out the rest of the problems.
4 Answers
- 10 years agoFavorite Answer
It's been a while but I think these are right:
6m^3 + 54m^2 - 6m
Factored: 6m (m^2 + 9m - 1)
(^^ there's no further factoring possible. It is a -1 so there is no difference of squares either)
5k^4 + 8k^3 - 4k^2
(5k^4 + 10k^3)(- 2k^3 - 4k^2)
5k^3 (k + 2) - 2k^2 (k+2)
(5k^3 - 2k^2) (k + 2)
Factored: k^2 (5k - 2) (k + 2)
Hope this helped
Source(s): Class - 10 years ago
Assuming that they are both equal to zero, you need to first simply the equations then set each part equal to zero and solve for the variable.
6m(m^2+9m-1)=0
6m=0
m=0
Use the quadratic equation to get the rest. A=1, B=9, C=-1
k^2(5k^2+8k-4)=0
k^2=0
k=0
Use the quadratic equation to get the rest. A=5, B=8, C=-4
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- ?Lv 710 years ago
You've presented two quadratic polynomials, but you haven't said what you want to know about them. What is your question? What do you want done with them?