Respuesta :
Look at the attached picture
Hope it will help you...
Good luck on your assignment
~pragya

Answer:
[tex] = - 6 {x}^{4} + 8 {x}^{3} - 14 {x}^{2} [/tex]
Step-by-step explanation:
[tex] - 2 {x}^{2} (3 {x}^{2} - 4x + 7) \\ = - 6 {x}^{4} + 8 {x}^{3} - 14 {x}^{2} [/tex]
hope this helps
brainliest appreciated
good luck! have a nice day!!