Question

25n^2-9=0

n=

Answer 1

first add 9 to both sides

Answer 2

25n^2=0+9

Answer 3

correct

Answer 4

the zero goes away since 0 + 9 = 9

Answer 5

ok 25n^2=9

Answer 6

now divide both sides by 25

Answer 7

n^2=3.8??

Answer 8

keep it in faction form... 9/25

Answer 9

n^2 = 9/25

Answer 10

ok n^2=9/25

Answer 11

yep!

Answer 12

then we take the sqrt of both sides