How do you simplify sqrt7*sqrt5?

1 Answer
Sep 26, 2016

Multiply the square roots

Explanation:

sqrt7 x sqrt5

Multiply the 7 and 5
sqrt35

The square root of 35 cannot be simplified any further. If the number under the square root was divisible be a number that was also a square root, then it could have been simplified further.
For example:

sqrt4 x sqrt2

Multiply 4 and 2
sqrt8

Since 8 can be divided by a number that is a square root, 4, it can be simplified further.

sqrt4 x sqrt2

Take the square root of 4
+-2sqrt2