Réponse :
bonjour
Explications étape par étape :
À=-2(x-5)- 3(7-4x)
=-2x+10-21+12x
=10x-11
B = 8+2y-5(2y-6) +4
=8+2y-5*2y-5*-6+4
=8+2y-10y+30+4
=-8y+42
C=3x+5x(4-2x)-2(x² - 3x+5)
=3x+20x-10x²-2x²+6x-10
=-12x²+29x-10
D= 8+2x-2x(3x-4)+5x(3-x)
=8+2x -6x² +8x +15x -5x²
=-11x²+25x+8
E = 7y+ 4(3y-6)+3+2(3y-7)
=7y+12y-24+3+6y-14
=25y-35
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réponse :
bonjour
Explications étape par étape :
À=-2(x-5)- 3(7-4x)
=-2x+10-21+12x
=10x-11
B = 8+2y-5(2y-6) +4
=8+2y-5*2y-5*-6+4
=8+2y-10y+30+4
=-8y+42
C=3x+5x(4-2x)-2(x² - 3x+5)
=3x+20x-10x²-2x²+6x-10
=-12x²+29x-10
D= 8+2x-2x(3x-4)+5x(3-x)
=8+2x -6x² +8x +15x -5x²
=-11x²+25x+8
E = 7y+ 4(3y-6)+3+2(3y-7)
=7y+12y-24+3+6y-14
=25y-35