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Simplifying the expression so, there is only one power of each base we get

Option D is correct answer.

Step-by-step explanation:

We need to simply the expression so, there is only one power of each base.

Solving:

We can write it as:

Now using exponent rule:

Now using the exponent rule: the bases should be same

So, simplifying the expression so, there is only one power of each base we get

Option D is correct answer.

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

40% off the regular price is the correct answer.

step-by-step explanation: