Inactive Tutor answered • 08/10/13
Tutor
New to Wyzant
(-3√(-5))^2
= (-3)^2 (√(-5))^2, distributing the power to every factor
= 9*5 (i)^2, since √(-5) = √(5) i
= -45, since i^2 = -1
Answer: c
Maira A.
asked • 08/10/13simplify: (-3v(-5))^(2)
a. -45i
b. 45
c. -45
d. -45i^(2)
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