Answer:
3x^2
Step-by-step explanation:
3x^2 can be factored out of each
-6x^2 = 3x^2(-2)
21x^3 = 3x^2(7x)
a- 7 x 2 is a = 14
.........
0.8889
0.8889 is the 8/9 as a decimal rounded to 3 decimal places
Answer: 10.5 : 20.2