Question

Find the value of this expression if x = 9.
X^2-9 / x-7

Answer 1

36

Explanation:

Given

`(x^2-9)/(x-7)` substitute x = 9 into the expression

=
`(9^2-9)/(9-7)`

=
`(81-9)/(2)`

=
`(72)/(2)`

= 36