Question

Evaluate the expression \dfrac{7^2}{x^2-2} x 2 −2 7 2 ​ start fraction, 7, squared, divided by, x, squared, minus, 2, end fraction for x=3x=3x, equals, 3

Answer 1

7

Explanation:

We want to evaluate the fraction below for x = 3. We will put the value of x to be 3:

`(7^2)/(x^2-2)\\\\= (7^2)/(3^2-2)\\\\= (49)/(9-2)\\\\= (49)/(7) = 7`

The answer is 7.