1)3ax^2-2(3a-2)x+3(a-1)=0 2)x(x-1)(x-2)(x-3)=15 3)x^4-x^3-10x^2+2x+4=0

Question

1)3ax^2-2(3a-2)x+3(a-1)=0

2)x(x-1)(x-2)(x-3)=15

3)x^4-x^3-10x^2+2x+4=0

Answer 1

2) x1=15 
x2=16 
x3=17 
x4=18