" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x²+2x-1 + y = 3x-4
x²+2x-1-3x+4 = -y
x²-x+3 = -y
y = -x²+x+3
Entonces debemos suma:
-x²+x-3
Comprobémoslo:
x²+2x-1 +y = 3x-4
x²+2x-1-x²+x-3 = 3x-4
x²-x² = 0
2x+x = 3x
-3-3 = -4
3x-4 ≡ 3x-4
Saludos....
Comprobación:
x^2+2x-1-x^2-3+x=3x-4