Aider moi svp??!
Les identités remarquables(facroriser)
9x aucarré +18x+9
25xau carré -10x+1
Les identités remarquables(facroriser)
9x aucarré +18x+9
25xau carré -10x+1
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Verified answer
Salut9x² +18x+9
(3x)²+2*3x*3²
(3x+3)²
25x²-10x+1
(5x)²-2*5x*1+1²
(5x-1)²
voilà