Question

responda pf (3x+2).(2x+1)=

Answer 1

(3x+2).(2x+1)
6x^2+3x+4x+2
6x^2+7x+2=0
delta=b^2-4ac
delta=7^2-4.6.2
delta=49-48
delta=1
x=-b-/+ raiz de delta/2a
x=-7-1/2.6
x=-8/12 (:4)
x=-2/3
x=-7+1/2.6
x=-6/12 (:6)
x=-1/2