Développer et réduire si possible:
a)2x(3-2x)+4(x+3)
b)-5(3-x)+8(4+x)
c)7(2x+3)-4(3-x)
Calculer:
a)32\40+45\36-3\2
a)2x(3-2x)+4(x+3)
b)-5(3-x)+8(4+x)
c)7(2x+3)-4(3-x)
Calculer:
a)32\40+45\36-3\2
More Questions From This User See All
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
A) 2x(3-2x)+4(x+3)=6x-4x²+4x+12=-4x²+10x+12b) -5(3-x)+8(4+x)=-15+5x+32+8x=13x+17
c) 7(2x+3)-4(3-x)=14x+21-12+4x=18x+9
32/40+45/36-3/2=4/5+5/4-3/2=16/20+25/20-30/20=11/20
Calculer :