Question

find the product of (5√7+3)(4-√7)
let's see who can solve it
plssssss do help​

Answer 1

Answer:

7√7-23

Step-by-step explanation:

(5√7+3)(4-√7)= 20√7-5*7+12-3√7= 7√7-23

Answer 2

Answer:

17√7 - 23

Solution:

We need to find the product :

(5√7 + 3)(4 - √7)

=> (5√7 + 3)(4 - √7)

=> 5√7(4 - √7) + 3(4 - √7)

=> 5√7•4 - 5√7•√7 + 3•4 - 3•√7

=> 20√7 - 35 + 12 - 3√7

=> 20√7 - 3√7 + 12 - 35

=> 17√7 - 23

Hence,

The required product is :

17√7 - 23