April 2019 2 50 Report

aidez moi svp

developper

a.(5y) *(6y)

b.(6+x)*(3x)

c.(5x)*(x+8)

d.(5+y)*(6+y)

factoriser

recopier et completer

a(3t+....)²=9t²+......+49

b.(y-.....)²=y²-14y+...

c.(....+5)²=...+10a+25

d.(x-....)²=x²-2x+.....

merci ;)

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