Question

Fan and medal.
X^2-9=0
A. X=+3
B. X=+9
C. X=0
D. No solution
Can u show the steps on how to do it?

Answer 1

okok I got you

Answer 2

sure
start with \[x^2=9\] then think of two numbers whose square is 9

Answer 3

you need to get \[x^2\] alone. so add 9 to both sides and tell me what you get

Answer 4

won't take but a second before you come up with \(3\) or \(-3\)

Answer 5

-_- thaaanks :( I wanted to help :(

Answer 6

so the answer is a?

Answer 7

yes

Answer 8

I wasnt sure if it was 3 or 0

Answer 9

Thank youu.