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Sagot :

AYUDA

(x+1)(x+2) = 2

x² + 2x + x + 2 = 2

soit

x² + 3x = 0

soit x (x + 3) = 0

soit x = 0

soit x = -3

VINS

bonjour

( x + 1 ) ( x + 2 ) = 2

x² + 2 x + x + 2 =  2

x² + 3 x = 0

x ( x + 3 ) = 0

x = 0

ou  x = - 3

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