Bonjour,
(-2t + 3)²+(-t − 3) (-2t + 2)
= 2t² -6t +9 + 2t² -2t +6t -6
= 4t² -2t +3
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Bonjour,
(-2t + 3)²+(-t − 3) (-2t + 2)
= 2t² -6t +9 + 2t² -2t +6t -6
= 4t² -2t +3