Pls help the question is in the picture

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

This is about circle theorems. someone asap : (

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.