Use the equation of -b/2a, so if you have a line you can just plug in the numbers.
To find X, we can divide 5 into 40.
40 divided by 5 is 8.
Now we can do 5 x 8. That is 40.
X=40
OR we can do it another way.
40 divided by 5 is 8.
Cross out 5 divided by 5.
Now we have 8. Still.
X is 8
No, because when you multiply 49 by itself,you get 2401 not 7849
Answer:
D, more than
Step-by-step explanation:
More than is addition / greater than