c. 9
To complete the square, you take half of the coefficient of b and square it. It's important to note that the value being added will always be positive.





Answer:
(-3,-5) .............................
Answer:
+ 8
Step-by-step explanation:
To rationalise the denominator, multiply the numerator and denominator by the conjugate of the denominator.
The conjugate of
- 8 is
+ 8 , then
