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Sagot :

BLBP
(2x-7)(5x+1) = 0
2x-7 = 0 ou 5x+1 = 0
2x = 7         5x = -1
x = [tex] \frac{7}{2} [/tex]   x = [tex] \frac{-1}{5} [/tex]

(5-3x)(10+4x) = 0
5-3x = 0  ou  10+4x = 0
-3x = -5         4x = -10
x = [tex] \frac{-5}{-3} [/tex]    x = [tex] \frac{-10}{4} [/tex]

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