Question

square root -64 minus square root -25... complex numners.. i am so confused

Answer 1

$\sqrt{ - 64} - \sqrt{ - 25} \\ 8i - 5i \\ 3i$
square root of negative is an imaginary solution or number. meaning it exist somewhere. square root of 64 is 8 and the square root of 25 is 5. "i" represent imaginary number

Answer 2

The answer would be 3