Answer:
d) 8
Step-by-step explanation:
X^2-12+36=90
(x-6)^2=90
x-6= sqrt of 90
x-6= +- 3 sqrt of 10
x = 6 +- 3 sqrt of 10
Answer:
7
Step-by-step explanation:
By using the formula you just need to place -3 where X is being that X will represent F. After placing -3 where it needs to be it should look like this:
4-(-3)
Remove the parathesis and whenever there is a - in front of - in a parathesis you need to change the sign:
4+3
Add the numbers and you get:
7
