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clairemalik24
@clairemalik24
June 2021
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Aidez moi,merci.
il faut développer, réduire et ordonner ces calculs :
a: (y+1) (y+1)
b: (-3y+1) (-y-1)
c: (-a-1) (a-1)
d: (2x+1)(-3x+1)
voilà, merci de m'aider le plus vite possible. :3
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Verified answer
A: (y+1) (y+1)
=y²+2y+1
b: (-3y+1) (-y-1)
=3y²+3y-y-1
=3y²+2y-1
c: (-a-1) (a-1)
=-a²+a-a+1
=-a²+1
d: (2x+1)(-3x+1)
=-6x²+2x-3x+1
=-6x²-x+1
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clairemalik24
June 2021 | 0 Respostas
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clairemalik24
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clairemalik24
June 2021 | 0 Respostas
bonjour, j'ai un dm pour demain et je ne comprends pas ces 3 trois calculs, on peut m'aider?a: (x+1) (4x-3) + (4x-4) (-x+4)b: (a+3) (-5a+1) + (5a-4) (-2a-2)c: (3y-6) (-3y+2) + (2y+2) (-4y+2)merci pour ceux qui m'aident ! :p
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Verified answer
A: (y+1) (y+1)=y²+2y+1
b: (-3y+1) (-y-1)
=3y²+3y-y-1
=3y²+2y-1
c: (-a-1) (a-1)
=-a²+a-a+1
=-a²+1
d: (2x+1)(-3x+1)
=-6x²+2x-3x+1
=-6x²-x+1