January 2021 0 80 Report
URGENNT !! On doit calculer x² dans chacun des cas :

a. 17-7x²=3

b.6+2x²=5

c.5x²+7=2x²-16

d.x²-14=5x²-50

Svpp je ne comprend pas Aidez-Moi !!
Merci
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