Answer:

-x(11x + 2) 3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4) ... 9x2 – 10x = x(9x – 10) Answer: x(9x – 10). 7. Simplify: (2x - 4) - (6x + 6)

I don't know if this is correct

x=7/9 or x=.7

if standard then

2x+14=2(9x+1)