Question

if x-4= 9, what is value of x^2 -4 ?

Answer 1

Answer:

Hey friend!

x = 9 + 4

x = 13

x^2 - 4 = 13^2 - 4

= 169 - 4

= 165.

Hope this helps you...

Answer 2

Answer:

there fore x=9+4

x=13

sub

13^2-4

169 -4

=165

Step-by-step explanation: