Compléter en utilisant les identités remarquables. a) (3x +...)² = ... + ... + 25
b) (2x - ...)² = ... -24x + ...
c) (... ... ...)² = ... -16y + 16
d) 49a² + ... + 25 = ( ... ... ...)²
e) 4x² - ... = (... - ...) ( ... + 1 )
b) (2x - ...)² = ... -24x + ...
c) (... ... ...)² = ... -16y + 16
d) 49a² + ... + 25 = ( ... ... ...)²
e) 4x² - ... = (... - ...) ( ... + 1 )
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