Question

Resolva pela fórmula de Bhaskara

a) 6x+4=2x²
b) -2x²-10x-12=0
c) x²+x-6=0

Answer 1

a)6x+4=2x2
a=2 /\=b2-4.a.c
b=6. /\=6/2-4.2.4
c=4. /\=36-32
x=-b2+-√/\
2.a
x=-6+-√4
4
x'=-6+2=-4/4=1
4
x"=-6-2=-8/4=2
4
s{1;2}