Simplify the following expression:
Hint
This isn't as bad as it looks. Take the square root of the sum, then slap a negative sign on at the end.
Answer
-5
What's the cube root of 64? Stick that in the denominator.
Simplify underneath the square root to get 15 – 36 = -21.
No solution. We can't take the square root of a negative number.
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