I think you need to make the 6 positive and then add it to 13 which would give you a=19
Answer: D, When the constants are perfect squares.
Step-by-step explanation:
the “best” method whenever the quadratic equation only contains x2 terms. That implies no presence of any x term being raised to the first power somewhere in the equation.
Hopefully this helps!
The answer is D-16
16/4= 4. 4x3=12. 12-2=10
