Find an expression which represents the difference when (-8+y) is subtracted from (-5-8y) in simplest terms

How many zeros does the function f(x)=4x3-x2+1 have

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

In the geometric progression –3, 12, −48… what term is 3,072?