Respostas

2014-02-07T16:36:28-02:00

100x²+2*(10x*2)+2²=2*(-3-10x)+1
100x²+40x+4=-6-20x+1
100x²+60x+9=0
Δ=3600-3200⇒Δ=400
(-b+-√Δ)/2a⇒(-60+-20)/200
acharemos duas raízes que serão
α=-4/5
β=-2/5