Question

O production das soluçoes da equaçao (43-x)2-1=1

Answer 1

(43-X)2-1=1

2.43-2.X -1=1

86-2X-=1

-2x=1 -1-86

-2x=0-86x(-1)

2x=86

X=86/2

X=43

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