Question

3/2x-12.3x+27=0 resolva essa equação

Answer 1

3/2x - 12.3x +27 
3/2x - 36x+27
3-72x²+54x=0

-72x²+54x+3=0
a=-72   b=+54  c=3
Δ=b²-4.a.c
Δ=54²-4.(-72).3
Δ=2916+864
Δ=3780