resolva as equações na formula de bhaskara : -25x²-10x+1=0
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a=-25 b=-10 c=1
Δ=-b²-4ac
Δ=100+100
Δ=200
x=(-b+-√Δ)÷2a
x=(10+-10√2)÷(-50)
x1=(10+10√2)÷(-50) x2=(10-10√2)÷(-50)
x1=(1+1√2)÷(-5) x2=(1-1√2)÷(-5)
Δ=-b²-4ac
Δ=100+100
Δ=200
x=(-b+-√Δ)÷2a
x=(10+-10√2)÷(-50)
x1=(10+10√2)÷(-50) x2=(10-10√2)÷(-50)
x1=(1+1√2)÷(-5) x2=(1-1√2)÷(-5)
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