2*(3x-2) +(10x+3)(10x *-3)
= 6x -4 +(10x+3)( -30x)
= 6x -4-300x² -90x
= -300x² -84x -4
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Bonsoir,
2*(3x-2) +(10x+3)(10x *-3)
= 6x -4 +(10x+3)( -30x)
= 6x -4-300x² -90x
= -300x² -84x -4