Question

P(x)=x^3-5x^2+3x+9 factor completely

Answer 1

Answer:

(x-3)²(x+1)

By applying -1 as x, we get 0

ie, x+1 is a factor

Using cross method we get the quadratic equation x²-6x+9=0

using factorization method,

we get (x-3)²

At last the answer is (x-3)(x-3)(x+1)