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Johabe14
@Johabe14
August 2019
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+6x=-x ao qaudrado -9
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Israelco
6x=-x²-9
x²+6x+9=0
∆= 6²-4•1•9
∆=36-36
∆=0
X=-6±√0÷2•1
X=-6±0÷2
X¹=-6+0÷2=-6÷2=-3
X²=-6-0÷2=-6÷2=-3
Solução= -3
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x²+6x+9=0
∆= 6²-4•1•9
∆=36-36
∆=0
X=-6±√0÷2•1
X=-6±0÷2
X¹=-6+0÷2=-6÷2=-3
X²=-6-0÷2=-6÷2=-3
Solução= -3