Réduire au même dénominateur les expressions suivantes;3x/(x-1) - 3x+1/x
=((3x)x-3x(x-1))/(x(x-1))
=(3x²-3x²+3x)(x²-x)
=(3x)/(x²-x)
=3/(x-1)
(x+2)/(x-1) - (x-1)/(x+2)
=((x+2)²-(x-1)²)/((x-1)(x+2))
=(x²+4x+4-x²+2x-1)(x²+x-2)
=(6x+3)/(x²+x-2)
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réduire au même dénominateur les expressions suivantes;
3x/(x-1) - 3x+1/x
=((3x)x-3x(x-1))/(x(x-1))
=(3x²-3x²+3x)(x²-x)
=(3x)/(x²-x)
=3/(x-1)
(x+2)/(x-1) - (x-1)/(x+2)
=((x+2)²-(x-1)²)/((x-1)(x+2))
=(x²+4x+4-x²+2x-1)(x²+x-2)
=(6x+3)/(x²+x-2)