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lenny547501
@lenny547501
January 2021
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Bonjour je n'arrive pas la question 2 de l'exercice 1 et tous l'exercice 2
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nonotata
Verified answer
Bonsoir
a = 8x-21x = -13x
b = x²-36
c = -4x² +2x+2
d = -4y²+4y
e = 14x-3
f = 3-2x-3x+12 = -5x+15
g = 2x+40+3x = 5x+40
h = x-28x-6 = -27x -6
i =3( 2-1/5) = 3(10/5-1/5) = 3(9/5) = 27/5
i = 3( 2/3-1/5) = 3(10/15-3/15) =3(7/15) =21/15 = 7/5
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Verified answer
Bonsoira = 8x-21x = -13x
b = x²-36
c = -4x² +2x+2
d = -4y²+4y
e = 14x-3
f = 3-2x-3x+12 = -5x+15
g = 2x+40+3x = 5x+40
h = x-28x-6 = -27x -6
i =3( 2-1/5) = 3(10/5-1/5) = 3(9/5) = 27/5
i = 3( 2/3-1/5) = 3(10/15-3/15) =3(7/15) =21/15 = 7/5