Question

Find the zeros/roots of k(x)=x^3+5x^2+9x+45

Answer 1

k(x)=x^3+9x+5x^2+45

Explanation:

k(x)=x^3+5x^2+9x+45

k(x)=x^2(x+5)+9(x+5)

K(x)=(x+5)(x^2+9)

k(x)=x^3+9x+5x^2+45