Question

30.Factorise each of the following polynomials: i) x 3 + 13x2 + 31x - 45 given that x + 9 is a factor. ii) 4x3 + 20x2 + 33x + 18 given that 2x + 3 is a factor.

Answer 1

Answer of the Question

i) x 3 + 13x2 + 31x - 45 given that x + 9 is a factor ii) 4x3 + 20x2 + 33x + 18 given that 2x + 3 is a factor