Question

How many solutions are there to the equation x2 – 15 = 0?

Answer 1

Step-by-step explanation:

x^2- 15=0

On Factorizing eq

x^2-(√15) ^2= 0

(x-√15) (x+√15) =0 [a^2-b^2=(a-b) (a+b) ]

x=√15, x= -√15 ans