Question

Assinale as verdadeiras A FÓRMULA DE BHÁSKARA é:
a2=-b2-c2
a2-b2=c2
a2-b2-c2=0
a2 = b2 + c2

Answer 1

$x=\frac{-b +\sqrt{b^{2} -4ac } }{2a} \\\\ ou \\\\ x=\frac{-b -\sqrt{b^{2} -4ac } }{2a}$