Question

como resolver esta conta 5x²-3x-2=0

Answer 1

5x^2-3x-2=0
delta=b^2-4.a.c
delta=(-3)^2-4.5.(-2)
delta=9+40
delta=49
x=-b-/+ raiz de delta/2a
x=-(-3)-7/2.5
x=3-7/10
x=-4/10
x=-(-3)+7/2.5
x=3+7/10
x=10/10
x=1