Bonjour,
Factoriser:
(5x-8)² - (8-5x)(x+2) = (5x-8)² + (5x-8)(x+2)= (5x-8)(5x-8+x+2)= (5x-8)(6x-6)
= 6(5x-8)(x-1)
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Bonjour,
Factoriser:
(5x-8)² - (8-5x)(x+2) = (5x-8)² + (5x-8)(x+2)= (5x-8)(5x-8+x+2)= (5x-8)(6x-6)
= 6(5x-8)(x-1)