SVP DM URGENT : exo 1 : factoriser chaque expression a) 5x - 5 * 6 c) - 5b + 5 b) 7y + 14 d) a au c.... Pergunta de ideia deLiina2604

April 2019 1 58 Report

SVP DM URGENT :

exo 1 : factoriser chaque expression
a) 5x - 5 * 6 c) - 5b + 5
b) 7y + 14 d) a au carré - 4a

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Salut !

$A= 5x-5*6 \\ A = 5*x-5*6 \\ A = 5(x-6) \\ \\ B = 7y+14 \\ B = 7*y+7*2 \\ B = 7(y+2) \\ \\ C =-5b+5 \\ C = 5*(-b) + 5*1 \\ C = 5(-b+1) \\ \\ D = a^{2} -4a \\ D = a*a-4*a \\ D = a(a-4)$

J'espère t'avoir aidé(e) ! :)

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nonoduchablais Je t'en prie :)

SVP pour DM de maths urgents !!! factoriser chaque expression : a) (-3) * x + (-3) * 7 b) y * 5 + y * (-1) c) (-5) * a + (-5) * 4 d) 3 * 2 - 3 * a e) 5b + 5 * 3 f) z * z - 7z

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Liina2604 April 2019 | 0 Respostas

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SVP pour DM de maths urgents !!! factoriser chaque expression : a) (-3) * x + (-3) * 7 b) y * 5 + y * (-1) c) (-5) * a + (-5) * 4 d) 3 * 2 - 3 * a e) 5b + 5 * 3 f) z * z - 7z

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