Question

Simplify the product 3 sqrt 7 (1- sqrt 7)

Answer 1

Simplify the product of 3 divided by sqrt 7 and 3 subtracting sqrt 7 that you found in the previous step.

is

⇒ 2

Explanation:

Answer 2

`3\sqrt7(1-\sqrt7)=3\sqrt7\cdot1-3\sqrt7\cdot\sqrt7=3\sqrt7-3\cdot7=3\sqrt7-21`


`Used:\ √(a)\cdot√(a)=a`