Bonsoir;
(4x+3) ( x+5)
= 4x² +20x +3x +15
= 4x² +23x +15
(4x) ( 5+x) + 3( 5+x)
= 20x +4x² +15 +3x
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Bonsoir;
(4x+3) ( x+5)
= 4x² +20x +3x +15
= 4x² +23x +15
(4x) ( 5+x) + 3( 5+x)
= 20x +4x² +15 +3x
= 4x² +23x +15