Factoriser ces expresssions; D=-12x²-5x E=6x²-4x²+2x-8 F=x²y-y(x²-3x+1)
Mathématiques
sila51
Question
Factoriser ces expresssions;
D=-12x²-5x
E=6x²-4x²+2x-8
F=x²y-y(x²-3x+1)
D=-12x²-5x
E=6x²-4x²+2x-8
F=x²y-y(x²-3x+1)
2 Réponse
-
1. Réponse loulakar
D=(-x)(12x+5)
E=2x^2+2x-8
E=2(x^2+x-4)
F=x^2y-x^2y+3xy-y
F=3xy-y
F=y(3x-1) -
2. Réponse mohayati2006
D=-12x²-5x
=X(-12X-5)
=-X(12X+5)
E=6x²-4x²+2x-8
=2X²+2X-8
=2(X²+X-4)
F=x²y-y(x²-3x+1)
=y(X²-(X²-3X+1)
=y(X²-X²+3X+1)
=y(3X+1)