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Anaisouchard
@Anaisouchard
April 2019
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Svp aidez moi sa fait 4 fois que je le poste
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droopette
1
A=(1-2x)²
=1-4x-4x²
B=(6x+3)(6x-3)
=36x²-9 identité remarquable
2.
E=(3x+5)²-2(3x+5)
=9x²+30x+25-6x-10
=9x²+24x+15 => développement
E=(3x+5)²-2(3x+5)
=(3x+5)(3x+5-2)
=(3x+5)(3x+3)
=3(3x+5)(x+1) => factorisation
pour x=2/3 avec 9x²+24x+15
9(2/3)²+24(2/3)+15
=9*4/9+48/3+15
=36/9+16+15
=4+16+15
=34
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Qui peut me corriger svp!!!!!!!!!!!!!!!!!!!!!! COVER LETTER Dear Sir or Madam, Curently I'm a student of 3rd at Rabelais school to Meudon, I must make as part of my course a period of stage in a compagny for a lasted of week which will take place (10/02/2014 au 14/02/2014). It stage of discovery has for objective acquire a first experience professional which me will allow of confirmed my choices for my future orientation.Interested in the domain of the business and in particular in the job to use freeService, it is the reason why I turn around towards you because I would like to discover this job In depth. I am available, organized in my work, I would do my best for you and I would remain attentive and motivated by all the explanations which you will be to teach me. Thank you for you time and attention. Sincerely,
Responda
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Lista de comentários
A=(1-2x)²
=1-4x-4x²
B=(6x+3)(6x-3)
=36x²-9 identité remarquable
2.
E=(3x+5)²-2(3x+5)
=9x²+30x+25-6x-10
=9x²+24x+15 => développement
E=(3x+5)²-2(3x+5)
=(3x+5)(3x+5-2)
=(3x+5)(3x+3)
=3(3x+5)(x+1) => factorisation
pour x=2/3 avec 9x²+24x+15
9(2/3)²+24(2/3)+15
=9*4/9+48/3+15
=36/9+16+15
=4+16+15
=34