Question

7x2-8x+3=0 e equação do 2 gral

Answer 1

b^2-4ac=-8^2-4.7.3= -20 valor de bhaskara
para achar as raizes calcule delta= -b+- raiz de delta/2a
8+-raiz de 20/14
x'=8+2raizde5/14
x'=8-2raizde5/14