bjr
comme k(a+b) = ka + kb vous aurez
D = 2x * (-x) + 2x * 5 - x² * 1 - x² * (-x)
= -2x² + 10x - x² + x³
= x³ - 3x² + 10x
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bjr
comme k(a+b) = ka + kb vous aurez
D = 2x * (-x) + 2x * 5 - x² * 1 - x² * (-x)
= -2x² + 10x - x² + x³
= x³ - 3x² + 10x