Question

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

Answer 1

x²+x-12=0
a=1
b=1
c=-12
Δ=b²-4ac
Δ=1²-4*1*-12
Δ=1+48
Δ=49

$\frac{-b+/- \sqrt{Delta} }{2a}$
$\frac{-1+/- \sqrt{49} }{2*1}$
$\frac{-1+/- 7 }{2} \left \{ {{x'=-4} \atop {x''=3}} \right.$