Question

x²-7√5x+50=0
Me ajudem por favor!!!!

Answer 1

$\frac{7 \sqrt{5} +- \sqrt{49*5-4*50} }{2}$
$49*5-4*50=45=(3 \sqrt{5})^{2}$
$\frac{7 \sqrt{5}+3 \sqrt{5}}{2} =\frac{10 \sqrt{5} }{2} =5 \sqrt{5}$