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Développer et réduire chacune des expressions littérales suivantes
a) A= (-10x-6) x (-5x)
b)B= (-10x-6) x (-3)
c)C= (-10x-6) x (-5x-3)-(-9x-6)
d)D=(x-1)x(-9x-6) + 10x²

Sagot :


a) A= (-10x-6) x (-5x)= utilise l’application photomath
b)B= (-10x-6) x (-3)= 60x(-3)=-180
c)C=(-10x-6) x (-5x-3)-(-9x-6)=60x15-54=900-54=846
d)D=(x-1)x(-9x-6) + 10x² =utilise l’application photomath

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