30x*3=3x*2+6x Solve for X

Question

Select all

 

Question 2 options:

x=−12 

x=−25

x=0 

x=25

x=12 

x=1

Answer 1

there are 3 answers !

30x^3=3x^2+6x

30x^3-3x^2-6x=0

10x^3-x^2-2x

x(10x^2-x-2)=0

x(5x+2)(2x-1)=0

x=0

5x+2=0

5x=-2

x=-2/5

2x-1=0

2x=1

x=1/2

x=1/2, x=-2/5, x=0

Answer 2

Is the * indicating an exponent?