Ccalcul littéral Réduire les expression A=3a+5-8a-7 B=5-2y+4y+7-6y C=3a+b-a-7-5b+1 D=-5x*x+5x-1+3x*x-x+4 E=13x*x-5+12x-14-5x+x*x F=5y*(-2y) G=-7a*(-8a) H=-u*(-u
Mathématiques
annajefaismesdevoir
Question
Ccalcul littéral
Réduire les expression
A=3a+5-8a-7
B=5-2y+4y+7-6y
C=3a+b-a-7-5b+1
D=-5x*x+5x-1+3x*x-x+4
E=13x*x-5+12x-14-5x+x*x
F=5y*(-2y)
G=-7a*(-8a)
H=-u*(-u)
I=5*(-2x)*(-3x)
J=8x*3y
K=-5*(-2b)
K=2*4x*
Réduire les expression
A=3a+5-8a-7
B=5-2y+4y+7-6y
C=3a+b-a-7-5b+1
D=-5x*x+5x-1+3x*x-x+4
E=13x*x-5+12x-14-5x+x*x
F=5y*(-2y)
G=-7a*(-8a)
H=-u*(-u)
I=5*(-2x)*(-3x)
J=8x*3y
K=-5*(-2b)
K=2*4x*
2 Réponse
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1. Réponse misout1
A= 3a +5 -8a -7
= -5a -2
B=5-2y+4y+7-6y
= -4y +12
C=3a+b-a-7-5b+1
= 2a -4b -6
D=-5x*x+5x-1+3x*x-x+4
= -5x² +5x -1 +3x² -x +4
= -2x² +4x +3
E=13x*x-5+12x-14-5x+x*x
= 13x² -5 +12x -14 -5x +x²
= 14x² -19 +7x
F=5y*(-2y)
= -10y²
G=-7a*(-8a)
= 56a²
H=-u*(-u)
= -u²
I =5*(-2x)*(-3x)
= 5*(+6x)²
= 30x²
J=8x*3y
= 24xy
K=-5*(-2b)
= 10b -
2. Réponse winner123
bonsoir
Réduire les expressions
A=3a+5-8a-7 = - 5 a - 2
B=5-2y+4y+7-6y = - 4 y + 12
C=3a+b-a-7-5b+1 = 2 a - 4 b - 6
D=-5x*x+5x-1+3x*x-x+4 = 5 x² + 5 x - 1 + 3 x² - x + 4 = 8 x² + 4 x + 3
E=13x*x-5+12x-14-5x+x*x = 13 x² - 5 + 12 x - 14 - 5 x + x² = 14 x² + 7 x - 19
F=5y*(-2y) = - 10 y²
G=-7a*(-8a) = 56 a²
H=-u*(-u) = u²
I=5*(-2x)*(-3x) = - 10 x ( - 3 x) = 30 x²
J=8x*3y = 24 xy
K=-5*(-2b) = 10 b
K=2*4x* = 8 x