Question

How do you multiply `3\sqrt { x + 2} - 5\cdot \frac { x - 2} { x - 2}`?

Answer 1

`3\sqrt{x+2}-5`

Explanation:

Given that

`3\sqrt{x+2}-5\cdot \frac{x-2}{x-2}`

`=3\sqrt{x+2}-5\cdot \frac{\cancel{(x-2)}}{\cancel{(x-2)}}`

`=3\sqrt{x+2}-5`