January 2021 0 70 Report
Bonsoir veuillez m’aider s’il vous plaît merci. En utilisant l’identité << ka + kb = k ( a+b ) >> , factoriser les expressions suivantes :
A = 3x + 3y
B = 5x - 15
C = 3 + 3a
D = 4x au carré - 8x
E = 21x puissance 5 - 14x puissance 4 + 42x au carré
F = 3 ( x + 1 ) - 2x ( x + 1 )
G = ( 2x + 1 ) ( x + 4 ) + ( 2x + 1 ) ( 3x + 5 )
H = ( x + 7 ) au carré - ( 3x - 2 ) ( x + 7 )
Merci de me répondre.
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