Question

Find all the zeros and their multiplicities for the function. d(x)=x^3+3x^2-4x-12

Answer 1

Explanation:

1) x³+3x²-4x-12=x²(x+3)-4(x+3)=(x²-4)(x+3)=(x-2)(x+2)(x+3).

2) zeros of the given functions are: -3; -2; 2.