Question 112241
3X-75X^3=0
-3X(25X^2-1)=0
-3X(5X+1)(5X-1)=0
-3X=0
X=0/-3
X=0 ANSWER.
5X+1=0
5X=-1
X=-1/5 ANSWER.
5X-1=0
5X=1
X=1/5 ANSWER.