SOLUTION: -3x^3+54x=21x^2
Algebra.Com
Question 582843: -3x^3+54x=21x^2
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
-3x(x^2+7x-18)=0
-3x(x^2+9x-2x-18)=0
(-3x)(x(x+9)-2(x+9))=0
-3x(x+9)(x-2))=0
Either
-3x= 0 , x=0
OR
X+=0 x=-9
OR
x-2=0
x=2
x= 0, 2,-9
RELATED QUESTIONS
x^3 - 3x^2 - 54x =... (answered by scott8148)
3x^2-21x=-18 (answered by chibisan)
30x=21x+54x+6 (answered by Fombitz)
Factor
{{{ -3x^2+21x^-5... (answered by josgarithmetic,greenestamps)
Factor
6t^2+2t
7x^4-21x^2
23w^3-36... (answered by checkley77)
factoring polynomials:
3x^3+9x^2-54x
show steps please!
thank... (answered by Fombitz)
Hello
I am have difficulty trying to work this one out, your assistance would be greatly (answered by checkley71)
{{{(2x^5+3x^4+8x^3+26x^2+21x)/(2x^2+3x)}}} (answered by Edwin McCravy)
21x^2+2x-3= (answered by jim_thompson5910)