Question

how to do that? could anyone help me with that, please?

Answer 1

Answer:

so simple

Step-by-step explanation:

(√m - √n)(m + n + √mn)

(√m - √n)(√m + √n)^2

(√m - √n)(√m + √n)

So we get (a+b)(a-b)

we can write this equation as

(√m-√n)^2

Hope you understood