SOLUTION: solving a polynomial equation. 2t^5+2t^4-144t^3=0

Question 189795: solving a polynomial equation.
2t^5+2t^4-144t^3=0
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
2t^5+2t^4-144t^3=0
2t^3(t^2+t-72)=0
2t^3(t+9)(t-8)=0
.
2t^3=0
t^3=0 divide each side by 2.
t=0 take cube root of each side.
.
t=0, t=-9, t=8
.
Ed
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