Question

Equaçao do 2 grau ^x+14x+49=16 desde já agradeço

Answer 1

x²+14x+49-16=0
x²+14x+33=0

∆=14²-4.1.33
∆=196-132
∆=64

x'= -14-√64/2
x'= -14-8/2
x'=-22/2
x'=-11

x"=-14+8/2
x"=-6/2
x"=-3

S={-11,-6}