The sum of three times a number n and 2
1 answer:
You might be interested in
The answer is (3,-4). On a graph you see it is right in the middle. Hope this helps.
Addd 4 to both sides
sqare both sides
x+9=25
minus 9 both sides
x=16
plug it in for x and see
1=1
true
not extraneous
an extraneous root would be x=-34
sqare both sides
x+9=25
minus 9 both sides
x=16
plug it in for x and see
1=1
true
not extraneous
an extraneous root would be x=-34