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Dianekiesel064ozu50w
@Dianekiesel064ozu50w
May 2019
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Bonsoir besoin d aide pour l exercice 4) petit 4). Merci d avance
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calinizou
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Bonsoir
programme a =(x-3)²=
x²-6x+9
programme b=x²+3x+7
x²-6x+9=x²+3x+7
x²-x²-6x-3x=7-9
-9x=-2
x=-2/-9=2/9
le nombre qui donne le même résultat est 2/9
vérification programme a
(2/9-3)²=
2/9-27/9=
(-25)²/9²=
625/81
programme b
2²/9²+3*2/9+7=
4/81+6/9+7=
4/81+54/81+567/81=
625/81
* veut dire multiplier
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Verified answer
Bonsoirprogramme a =(x-3)²=
x²-6x+9
programme b=x²+3x+7
x²-6x+9=x²+3x+7
x²-x²-6x-3x=7-9
-9x=-2
x=-2/-9=2/9
le nombre qui donne le même résultat est 2/9
vérification programme a
(2/9-3)²=
2/9-27/9=
(-25)²/9²=
625/81
programme b
2²/9²+3*2/9+7=
4/81+6/9+7=
4/81+54/81+567/81=
625/81
* veut dire multiplier