Discover a wealth of knowledge and get your questions answered on IDNLearn.com. Ask your questions and receive reliable and comprehensive answers from our dedicated community of professionals.
Step-by-step 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.