SOLUTION: {{{x^3-5x^2+8x-4=0}}}
Algebra.Com
Question 128285:
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
x^3-5x^2+8x-4=0
1 is a root (sum of coefficients is 0)
doing the division by x-1
1 -5 8 -4
1 1 -4 4
1 -4 4 0
then
x^2-4x+4=0 then (x-2)^2=0 then roots are
1 and 2(multiplicity 2)
RELATED QUESTIONS
subtract
(5x^2 + 9x^4 - 2x^3 - 3) - (8x^6 - 8x^5 + x^4 -... (answered by jim_thompson5910)
5x/6+2/3-8x/9=0 (answered by ReadingBoosters)
x^3-8x^2+17x-4=0 (answered by tommyt3rd)
5(5x + 3) = 3(8x-... (answered by jim_thompson5910)
(8x + 3)(x^2 - 5x +... (answered by oscargut)
8x-3(6+x)=5x+4 (answered by jim_thompson5910)
solve by factoring
a) x^3-2x^2-5x+6=0
b) 3x^3+2X^2-8x+3=0
solve... (answered by Boreal)
5x^2-8x-4 (answered by mananth)
Thanks in advance for all of your help!!
Solve by completing the square...
1.... (answered by scianci)