Bonsoir,
Développer:
a: 3(x-2)+5(3-x)= 3x-6+15-5x= -2x+9
b: x(3+x) -2(x+1)= 3x+x²-2x-2= x²+x-2
c: -4(2x-1)-2(x²+x)+4(x²+1)= -8x+4-2x²-2x+4x²+4= 2x²-10x+8
d: 2x(-x+5)-x(1-x)= -2x²+10x-x+x²= - x²+9x
e: -6x(2x²- 3x) -3 (x+4x)= -6x³+18x²-3x-12x= - 6x³+18x²-15x
f: 2x * (3x²-2x+7) * (-5)= - 10x(3x²-2x+7)= -30x³+20x²-70x
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonsoir,
Développer:
a: 3(x-2)+5(3-x)= 3x-6+15-5x= -2x+9
b: x(3+x) -2(x+1)= 3x+x²-2x-2= x²+x-2
c: -4(2x-1)-2(x²+x)+4(x²+1)= -8x+4-2x²-2x+4x²+4= 2x²-10x+8
d: 2x(-x+5)-x(1-x)= -2x²+10x-x+x²= - x²+9x
e: -6x(2x²- 3x) -3 (x+4x)= -6x³+18x²-3x-12x= - 6x³+18x²-15x
f: 2x * (3x²-2x+7) * (-5)= - 10x(3x²-2x+7)= -30x³+20x²-70x