What is (x ^ n-1) ^ 2 (- 3 ^ 3) (- x ^ n) equal to?

What is (x ^ n-1) ^ 2 (- 3 ^ 3) (- x ^ n) equal to?

When 2 ＾ 3 - (n-1) x + 1 = 8 - (n-1) x + 1 = - (n-1) x + 9N = 1, it is a monomial, n is not 1, it is a quadratic

Ask a math problem - (a ^ 3-A ^ 2) + (A-1) = - A ^ 3 - ()
The problem is that the difference between the cube of negative a and the square of a, plus the difference between a and one, equals how much the cube of negative a minus?

-(a^3-a^2)+(a-1)
=-a^3+a^2+a-1
=-a^3-（1-a^2-a）

How to do math problem 1 / √ 3 + √ 2 + 1 / √ 2-1 - 2 / √ 3 + 1?
1/√3+√2 +1/√2-1 -2/√3+1,

1/√3+√2 +1/√2-1 -2/√3+1
=（√3-√2）/（3-2）+（√2+1）/（2-1)-2(√3-1)/(3-1)
=√3-√2+√2+1-√3+1
=2
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