Question

x elevado a 2 + 3x - 6 = -8
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Answer 1

Resposta:

x²+3x-6=-8

x²+3x-6+8=0

x²+2x+x+2=0

x(x+2)+x+2=0

(x+2)+(x+1)=0

x+2=0

x+1=0

x'= -2

x'= -2x"= -1

Espero ter ajudado!!

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