Question

Me ajudem pff X²-2.x.8+8

Answer 1

Resposta:

x^2-16x+8

$\frac{-(-16)+-\sqrt{(-16)^{2} -4.8} }{2} \\\frac{16+-\sqrt{224} }{2} \\x=\frac{16+-4\sqrt{14} }{2} \\x= 8+-2\sqrt{14}$

Espero ter ajudado...