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Bordeacosmina1
a fost răspuns

(x+2)la a 2 a -(x+3)la a 2a=9(x-1)-4(3x-2)-6
D-au coroana


Răspuns :

Renatemambouko
(x+2)² -(x+3)²=9(x-1)-4(3x-2)-6
(x+2+x+3)(x+2-x-3)=9x-9-12x+8-6
(2x+5)(-1)=-3x-7
-2x-5=-3x-7
x=-2

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