Bonjour Merci de votre aide Factoriser (2*x-3)*(4*x+5)+16*x^2+40*x+25.... Pergunta de ideia dehendyelwakil

December 2020 1 77 Report

Bonjour
Merci de votre aide

Factoriser (2*x-3)*(4*x+5)+16*x^2+40*x+25

maudmarine

Bonjour,

Factoriser :

(2x - 3) (4x + 5) + 16x² + 40x + 25

= (2x - 3) (4x + 5) + (4x + 5)²

= (4x + 5) (4x + 5 + 2x - 3)

= (4x + 5) (6x + 2)

= 2 (3x + 1) (4x + 5).

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hendyelwakil Bonjour

hendyelwakil Merci @Maudmarine

hendyelwakil Mais où va le 40x ?

maudmarine 5 * 4x * 2

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