Posted by
**jon** on
.

What is (-3+ the square root of -25) - (4+ square root of -16)

the product of 8 and a number is 56, what is 2 less than the number?

Your problem:

(-3 + √-25) - (4 + √-16)

Working this out:

-3 + 5i - 4 - 4i

-7 + i

And that's as far as you can go to simplify here.

I hope this will help.