Question

If x-4=9 then value of x^2-4 is?

Answer 1

Answer:

x - 4 = 9

x = 4 + 9

x = 13.

then x^2 - 4 = ??

we know that x = 13 ... substitute it in the given expression x^2 - 4

13^2 - 4 = 169-4 = 165.

hope helps uh frnd ..

#cutie12

Answer 2

Step-by-step explanation:

solve:.x-4=9

orx=9+4

orx=13

x^2-4

(13)^2-4

169-4

165 is the correct answer

I hope it will help you mark me