Homework Help: math

Posted by jon on Thursday, January 11, 2007 at 7:49pm.

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.

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