bonsoir,
(x-1) (-3x+2)+(5-5x) (-3x+1)
=(x-1) (-3x+2)- 5(x-1) (-3x+1)
=(x-1) ( -3x+2 +15x -5)
= (x-1) ( 12x -3)
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bonsoir,
(x-1) (-3x+2)+(5-5x) (-3x+1)
=(x-1) (-3x+2)- 5(x-1) (-3x+1)
=(x-1) ( -3x+2 +15x -5)
= (x-1) ( 12x -3)