Question

Simplify: 7i - √75
a) 7i - 5√3
b) 7i - 5√5
c) 7i - 25√3
d) 7i - 25√5

Answer 1

The simplified expression is 7i - 5√3.

Step-by-step explanation:

To simplify the expression 7i - √75, we need to simplify the square root of 75 first. The square root of 75 can later be simplified as the square root of 25 times the square root of 3, which is 5√3. Therefore, the simplified expression is 7i - 5√3. So, the correct answer of this question is option a) 7i - 5√3.