Question

3x^3 + 4x^2 - 17x - 6. Factorise​

Answer 1

Step-by-step explanation:

3x^3+4x^2-17x-6=0 this polynomail has a factor 3 ,

so divide this polynomial by x-3then we get ,a quadratic equation...

3x^2+5x-2=0

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

3x(x+2)-1(x+2)=0

(3x-1)(x+2)=0

so the values of x are -2and 1/3