April 2019 1 114 Report
Re bonjour!!
qui est doué pour les expressions remarquables?

Developper et reduire les expressions suivantes
S= (8x - 4)² + 6x - x²

T= (7 - 3y) (7 + 3y) - 50

factoriser les expressions suivantes
A= (18z + 6) (5z - 1) + ( 5z - 1) (2 - 3z)

R= (11b + 4)² - (6 + 5b)²

M= 12 (9h + 1) - (9h + 1) (9 + 1h)

merci
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