2x^3-x^2-12x^2+6x+26x-13=0
x^2(2x-1)-6x(2x-1)+13(2x-1)=0
(2x-1)(x2-6x+13)
(2x-1)(3±2i)=0
Taking the first equation (2x-1),
2x=1
x=1/2
(x2-6x+13) cannot be factorized so x=1/2 is the answer.
Solve the polynomial equation.
2x^3 - 13x^2 + 32x - 13 = 0
1 answer