Answer:

15

Step-by-step explanation:

x^2 = 9y

y = X+10

x2-9x = 90

x(x-9)= 90

x=15

Verified answer

Answer:

na yar its not delete it has even come in my and some others school preboard and from 11th chapter this will come in 2 or 3 mark.

and how much u score in eng any idea