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Sagot :

PINKYS
(5x+4)^2+(2-3x)^2=
(5x+4)^2=81x
(2-3x)^2=1x
=81+1=82x
                                     ou selon ta leçon
(5x+4)^2+(2-3x)^2
(10x-15x)+(+8x6-12x)
(10x-15x)^2=25x
(+8x-12x)^2=16x
25+16=41x

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