Bonsoir,
(x-3)(5x+7)=0
soit
x-3 = 0
=> x= 3
5x+7 = 0
5x = -7
x= -7/5
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Bonsoir,
(x-3)(5x+7)=0
soit
x-3 = 0
=> x= 3
soit
5x+7 = 0
5x = -7
x= -7/5