Question
Bonjour tout le monde, j'ai vraiment besoins de votre aide svp. Merci..
- Développer :
1(1a-2a-2)=
2(-1-4a+3a)=
-3(-2-1a-3)=
- Factoriser :
4x - 6=
9x + 9=
49x + 7 =
35x - 5y =
7 - 56x =
-Simplifier :
2 × c - c - 7 × c =
- Développer :
1(1a-2a-2)=
2(-1-4a+3a)=
-3(-2-1a-3)=
- Factoriser :
4x - 6=
9x + 9=
49x + 7 =
35x - 5y =
7 - 56x =
-Simplifier :
2 × c - c - 7 × c =
Asked by: USER4363
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336 Answers
Answer (336)
Développement
1(1a-2a-2) = 1 (-a -2) = -a -2
2(-1-4a+3a) = 2( -a -1) = -2a -2
-3(-2-1a-3) = -3( -5 -1a) = +15 -3a
Factorisation :
4x - 6 = 2(2x -3)
9x + 9= 9 ( x +1)
49x + 7 = 7(7x +1)
35x - 5y = 5(7x -y)
7 - 56x = 7(-8y)
Simplification
2 × c - c - 7 × c = 2c -c -7c =
-6c
1(1a-2a-2) = 1 (-a -2) = -a -2
2(-1-4a+3a) = 2( -a -1) = -2a -2
-3(-2-1a-3) = -3( -5 -1a) = +15 -3a
Factorisation :
4x - 6 = 2(2x -3)
9x + 9= 9 ( x +1)
49x + 7 = 7(7x +1)
35x - 5y = 5(7x -y)
7 - 56x = 7(-8y)
Simplification
2 × c - c - 7 × c = 2c -c -7c =
-6c