Question

what are roots of p2-9=0​

Answer 1

Answer:

p^2 = 9

p = +3 or -3

here is your answer

Answer 2

Answer:

p^2-9=0

i.e. p^2=9

i.e. p=+-√9

i.e. p=+- 3

therefore,the roots are 3 and -3.