Question

Equação de 2 grau
X2+6x=5+3x
Me mandem respostas por favor

Answer 1

Resposta:

X²+6x=5+3x

X²+6x-3x-5=0

X²+3x-5=0

a=1

b=3

c=-5

∆=b²-4ac

∆=3²-4×1×(-5)

∆=9+20

∆=29

x=-b±√∆%2a

x=-3±√29%2×1

x=-3±5,38%2

x1=-3+5,38%2=2,38%2=1,19

x2=-3-5,38%2=-8,38%2=-4,19