Answer:
but what we have to find ?????????????
Remember the difference of 2 perfect squares
(a²-b²)=(a-b)(a+b)
1/81=(1/9)²
so
x⁸=(x⁴)²
x⁸-1/81=(x⁴)²-(1/9)²=(x⁴-1/9)(x⁴+1/9)
oh look, 1/9=(1/3)²
x⁴=(x²)²
we can factor that first one again
x⁴-1/9=(x²)²-(1/3)²=(x²-1/3)(x²+1/3)
so factored completely is (x²-1/3)(x²+1/3)(x⁴+1/9)
you could go further and force taht first term to be another difference by doing 1/3=(√(1/3))², but I wouldn't
(x²-1/3)(x²+1/3)(x⁴+1/9) is factored
The correct answer is option d) reserve.
The modest acceptance speech of the Academy Award-winning actress revealed a reserve that contrasted with her uninhibited screen performances.
Due to the fact that the words "contrasted" and "uninhibited" in the sentence have a clear relationship to the word "modest," choice D is the best response.
Because the words "modest" and "unrestrained" clash with each other, the only proper response is one that deals with restraint.
Dramatically speaking, sulkiness or carelessness are not things that are really important. In this sense, a person who is constrained is the antithesis of a person who is uncontrolled.
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