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Aureliap
@Aureliap
May 2019
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Bonjour je suis en 4 ème et j'ai un exercice de maths à faire
Développer et réduire les expressions suivantes:
B=4x(2x-7)+(10x2-12x+13)
D=(4x-2)(x+3)-2(-5x2+2x+9)
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Bonjour,
Développer et réduire les expressions suivantes:
B= 4x(2x-7)+(10x²-12x+13)
B= 8x²-28x+10x²-12x+13
B= 18x²-40x+13
D=(4x-2)(x+3)-2(-5x2+2x+9)
D= 4x²-2x+12x-6 +10x²-4x-18
D= 14x²+6x-24
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Bonjour,Développer et réduire les expressions suivantes:
B= 4x(2x-7)+(10x²-12x+13)
B= 8x²-28x+10x²-12x+13
B= 18x²-40x+13
D=(4x-2)(x+3)-2(-5x2+2x+9)
D= 4x²-2x+12x-6 +10x²-4x-18
D= 14x²+6x-24