bonjour
C = 2y² - y(4y - 7)
= 2y² - 4y² + 7y
= -2y² + 7y
= -2yy + 7y facteur commun y
= -2yy + 7y
= y(-2y + 7)
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bonjour
C = 2y² - y(4y - 7)
= 2y² - 4y² + 7y
= -2y² + 7y
= -2yy + 7y facteur commun y
= -2yy + 7y
= y(-2y + 7)