Question

Resposta da fórmula de bhaskara x²-7x+12=0

Answer 1

a=1 b=-7 c=12

/\=b(2)-4ac
/\=(-7)(2)-4.1.12
/\=49-48
/\=1

x=-b+- {raiz de /\} /2.a
x=7+- {raiz de 1} /2.1
x=7+-1/2
x'=7+1/2=8/2=4
x''=7-1/2=6/2=3

S={4;3}