SOLUTION: 15x^4-28x^2+5=0 t^2-7t-18=0 3x^2-4x+7 when x=0 175r^2+490rg+343g^2 v^2+6v+9 2x^8-10x^7+10x^6

Algebra ->  Equations -> SOLUTION: 15x^4-28x^2+5=0 t^2-7t-18=0 3x^2-4x+7 when x=0 175r^2+490rg+343g^2 v^2+6v+9 2x^8-10x^7+10x^6      Log On


   

Question 356240: 15x^4-28x^2+5=0
t^2-7t-18=0
3x^2-4x+7 when x=0
175r^2+490rg+343g^2
v^2+6v+9
2x^8-10x^7+10x^6
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
t^2-7t-18=0
(t-9)(t+2)=0
t=9, t=-2
.
Ed