Answer:
Explanation:
y=9x^2-36
=> 9x^2-y-36=0
b^2-4ac
a= 9
b= -1
c= -36
D=y - (4x9x-36)
D=y+1296
-b(+/-) root Dwhole divided by 2a
1+root of y+1296 divided by 18
1+ y + 36 divided by 18
x= y+1+2
x=y+3
5.6m questions
7.3m answers