(8x-3)^2 (1-x)*(x+1)+(x-1)^2 xy^2-18 a^3-27. Created by DianaSafa1. matematika-ru

(8x-3)^2 (1-x)*(x+1)+(x-1)^2 xy^2-18 a^3-27...

July 2022 2 2 Report

(8x-3)^2
(1-x)*(x+1)+(x-1)^2
xy^2-18
a^3-27

Kalderone (8х-3)² = 64х²-48х + 9
(1-х)(х+1)+(х-1)² = 1-х²+х²-2х+1 = 2-2х
ху²-18 тут ничего нельзя разложить (раскрыть)
а³-27 = а³-3³ = (а-3)(а²-3а+9)

Георгина5 (8х-3 )^2 = 64х^2-48х+9
(1-х)*(х+1)+(х-1)^2= х-х+х+1 + х^2 -2х + 1= х^2+2
ху^2-18 (18÷2=9 9 из под корня = 3 )
2*3^2=18
а^3-27=0
а^3=27
3^3= 27

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