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Hanna11
@Hanna11
August 2022
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-x elevado a 2 + x + 12=0 ??
Se possível a explicação completa porfavor
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EmyRafany
Verified answer
-x² + x + 12
a= -1 b=1 c= 12
Δ=1² - 4 . -1 . 12
Δ=1 + 48
Δ=49
-1 +√49
-1 . 2
, -1 + 7 -1 - 7
-2 = -3 ---- -2 = +4
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Verified answer
-x² + x + 12a= -1 b=1 c= 12
Δ=1² - 4 . -1 . 12
Δ=1 + 48
Δ=49
-1 +√49
-1 . 2
, -1 + 7 -1 - 7
-2 = -3 ---- -2 = +4