bonjour
18 x² - 32 = 2 ( 9x² - 16 )
= 2 ( 3 x - 4 ) ( 3 x + 4 )
18x² - 32 = 2(9x² - 16)
= 2 [(3x)² - 4²] différence de deux carrés
= 2(3x + 4)(3x - 4)
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Verified answer
bonjour
18 x² - 32 = 2 ( 9x² - 16 )
= 2 ( 3 x - 4 ) ( 3 x + 4 )
Verified answer
bonjour
18x² - 32 = 2(9x² - 16)
= 2 [(3x)² - 4²] différence de deux carrés
= 2(3x + 4)(3x - 4)