Tolong bantuannya yang bisaaa​

Penjelasan dengan langkah-langkah:

1) (3²-5)³ = (9-5)³ = 4³ = 64

2) 2x²-x-1/3x²-x-2 = (2x+1)(x-1)/(x-1)(3x+2) = 2x+1/3x+2

2(3)+1 / 3(3)+2 = 6+1 / 9+2 = 7/11

3) 4-x/2-√x=(2-√x)(2+√x)/2-√x = 2+√x

2+√4 = 2+2 = 4

4) x²-9x+20/x-5=(x-5)(x-4)/(x-5) = x-4

5-4 = 1

*jawaban bercetak tebal