Question

resolva as equações na formula de bhaskara : -25x²-10x+1=0

Answer 1

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)