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takedrauhl
@takedrauhl
October 2020
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Resolva a equação do 2 grau.
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maxjuniorbmxxl
X+5=1÷X+5
(X+5)×(X+5)=1
X²+5X+5X+25=1
X²+10X+25-1=0
X²+10X+24
Δ=b²-4×a×c
Δ10²-4×1×24
Δ=4
Agora voce aplica formula de baskara:
x=-b+ou-√Δ÷2×a
x=-10+ou-√4÷2
x=-10+ou-2÷2
sendo assim suas raizes vao ser:
x=-10+2÷2=-4
x=-10-2÷2=-6
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(X+5)×(X+5)=1
X²+5X+5X+25=1
X²+10X+25-1=0
X²+10X+24
Δ=b²-4×a×c
Δ10²-4×1×24
Δ=4
Agora voce aplica formula de baskara:
x=-b+ou-√Δ÷2×a
x=-10+ou-√4÷2
x=-10+ou-2÷2
sendo assim suas raizes vao ser:
x=-10+2÷2=-4
x=-10-2÷2=-6