Question

plzz solve immediately ​

Answer 1

$\sf3 + x - 2 {x}^{2} - ( - 6 {x}^{2} - 6x - 4)$

$\to \sf 3 + x - 2 {x}^{2} + 6 {x}^{2} + 6x + 4$

$\to \sf4 {x}^{2} + 7x + 7$

so done!

Answer 2

Answer:

The answer is-1-5x+4

Step-by-step explanation:

3+x-2x²-(-6x²-6x-4)

3-4+x-6x-2x²+6x²

-1-5x+4

Hope it will help you