Respuesta :

Answer:

-3x^2 - X

Step-by-step explanation:

I think that is the answer don't quote me

Hi1315

Answer:

8x² - 4x  - 5

Step-by-step explanation:

We know that,

( + ) × ( + ) = ( + )

( - ) × ( - ) = ( + )

( + ) × ( - ) = ( - )

Now let us solve it now.

x² - 3 - ( -7x² + 4x + 2 )

x² - 3 + 7x² - 4x - 2

Combine like terms.

x² + 7x² - 4x - 3 - 2

8x² - 4x  - 5