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On considère l’expression A = ( 2x – 1 )² + ( 2x – 1 ) ( x + 4 ).
1. Développer et réduire A.

Sagot :

chemistryfan63

Answer:

A = 6x^2+3x-3

Step-by-step explanation:

expand the first term: [tex]4x^2-4x+1+\left(2x-1\right)\left(x+4\right)[/tex]

multiply the second terms: [tex]4x^2-4x+1+2x^2+7x-4[/tex]

simplify by combining like terms: [tex]6x^2+3x-3[/tex]

oui, je parle un peu de francais. <<Développer>> = expand et <<réduire>> = simplify.  

trisha80
A=(2x-1)(2)+(2x-1)(x+4)
A=2x^2+11x-6
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