<u>Answer:</u>
The correct answer option is B. 2 = 3x + 10x^2
<u>Step-by-step explanation:</u>
We are to determine whether which of the given equations in the answer options can be solved using the following expression:
Here, 
and 
.
These requirements are fulfilled by the equation 4 which is:
Rearranging it to get:
Substituting these values of 
in the quadratic formula:
Angle E is from A to E
see, the 0 is on the right
from 0 to 120, look at inner arc
answer si 120 degres
Not sure what we are solving, please eloborate on what you need solved, for now I can’t answer
Answer:
When c and a are positive or both are negative
Step-by-step explanation:
negative times negative equals positive so if a was negative and c was negative -a*-c= ac
Of course positive times positive equals negative so if a and c were positive we could do
a*c= ac
Hope I could help !
