Respuesta :
Answer:
2x²+4x-4
Step-by-step explanation:
hope this helps,
that's how you can add, check out the image i uploaded

**Disclaimer** Hi there! I assumed the [ x- ] part is not included in the question. The following answer is according to this understanding. Please let me know if it is incorrect and I will modify my answer correspondingly.
Answer: [tex]C.~\Large\boxed{2x^2+4x-4}[/tex]
Step-by-step explanation:
Given expression
[tex](2x^2-2x)+(6x-4)[/tex]
Expand the parenthesis
[tex]2x^2-2x+6x-4[/tex]
Combine like terms
[tex]\Large\boxed{2x^2+4x-4}[/tex]
Hope this helps!! :)
Please let me know if you have any questions