Question

equação do 2 grau 


x²-5x+3=0

Answer 1

x=$x=-(-5)+- \sqrt{} \frac{-5 ^{2}-4.1.3 }{2.1} x = 5+- \sqrt{} \frac{25-12}{2} x=5+- \sqrt{ \frac{13}{2} } x'=5+ \sqrt{} \frac{13}{2} x''= 5 - \sqrt{} \frac{13}{2}$