Question

Does anyone know this?

Answer 1

-8x^2

Explanation:

-2x*4x=-8x^2

that's pretty much all the work here, I don't know what else to add in the explanation except for that this is a grid that is supposed to help you learn quadratic factoring

hope this is the right answer

Answer 2

The ? is 4x * (-2x) = -8x².