The answer is C because the 2x outside of the brackers must be negative to produce the beginning term. The next terms are positive and two negatives make a positive, therefore we can conclude that there must be a negative inside the brackets too.
Answer:
49297810.2183
Step-by-step explanation:
J = 9 because 2007 / 223 = 9, and when you multiply 223 x 9, you get 2007
I believe the answer would be two because the only numbers 1-6 that add up to 10 are 6+4 and 5+5
Answer:

Step-by-step explanation:

we have to move 5 in the other side with a different sign, to get a 2 grade ecuation

now we know
a=2
b=9
c=-5
we have to find delta

and now we have to use the formula to find the root square


