Question

produtos notaveis : ( x + 3). (x+2) aguem poderia me ajudar ?

Answer 1

(x+3).(x+2)
x^2+2x+3x+6
x^2+5x+6=0
delta=b^2-4ac
delta=5^2-4.1.6
delta=25-24
delta=1
x=-b-/+ raiz de delta/2a
x=-5-1/2.1
x=-6/2
x=-3
x=-5+1/2.1
x=-4/2
x=-2