For this case we have the following equation:
Rewriting we have:
Dividing by 2 to both sides of the equation:
We apply the quadratic formula:
We have to:
Substituting:
Thus, we have two roots:
ANswer:
Answer:
7
Step-by-step explanation:
30/5 = 6
so 42/6 = x
x = 7
C. x = 9 bc if you calculate it all of than than you will get you answer :)
Answer:
5
Step-by-step explanation: