x(x³ - x² + x - 1) = x(x³ - x² + x) - 1
x⁴ - x³ + x² - x = x⁴- x³ + x²- 1
x⁴ - x³ + x² - x - x⁴ + x³ - x² + 1 = 0
-x + 1 = 0
-x = -1 /·(-1)
SPRAWDZONKO:
X = 1 ·(1³ - 1² + 1 - 1) = 1 · 0 = 0
Y = 1 · (1³- 1² + 1) - 1 = 1 · 1 - 1 = 1 - 1 = 0
X = Y
x⁴-x³+x²+x=x*(x³-x²+x)-1
x⁴-x³+x²+x=x⁴-x³+x²-1
-x³+x²+x=-x³+x²-1
x²+x=x²-1
x=1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x(x³ - x² + x - 1) = x(x³ - x² + x) - 1
x⁴ - x³ + x² - x = x⁴- x³ + x²- 1
x⁴ - x³ + x² - x - x⁴ + x³ - x² + 1 = 0
-x + 1 = 0
-x = -1 /·(-1)
x = 1
SPRAWDZONKO:
X = 1 ·(1³ - 1² + 1 - 1) = 1 · 0 = 0
Y = 1 · (1³- 1² + 1) - 1 = 1 · 1 - 1 = 1 - 1 = 0
X = Y
x⁴-x³+x²+x=x*(x³-x²+x)-1
x⁴-x³+x²+x=x⁴-x³+x²-1
-x³+x²+x=-x³+x²-1
x²+x=x²-1
x=1