Answer:
Step-by-step explanation:
divide through by the coefficient of 
+ 



Add half of the square of the coefficient of x to both sides 



±
± 
or
or -5.09
Your answer would be 3x^2 -9x -6
10m 5/n^4 combiiend like terms
Answer:
24,831.28
Step-by-step explanation:
Brainliest pls