Question

factories xcube-3xsquare-9x-5​

Answer 1

Step-by-step explanation:

(x-5)(x+1)

1. by trial and error method, we get -1 a factor of given polynomial.
2. dividing given polynomial by x + 1 we get x square - 4 x minus 5
3. 90 factorising x square - 4 x minus 5 we get the factors as x + 1 and x minus 5