bonjour
6 ( - 4 x + 3 ) - 4 ( 6 x - 7 )
= - 24 x + 18 - 24 x + 28
= - 48 x + 46
( 2 x + 5 )² = 4 x² + 20 x + 25
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bonjour
6 ( - 4 x + 3 ) - 4 ( 6 x - 7 )
= - 24 x + 18 - 24 x + 28
= - 48 x + 46
( 2 x + 5 )² = 4 x² + 20 x + 25