Question

Calcule as raizesda equação x-1 -3x-x2=1

Answer 1

x-3x-2x=1-1
x-3x=-2x
-2x-(-2x)=4x
2x-4x=1-1
2x=1
x=1/2
x=2

Answer 2

Resposta:

Hi

Explicação passo-a-passo:

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