x^2-52x-285=0

Question

x^2-52x-285=0

Answer 1

x^2-52x-285=0

D=b^2-4ac=(-52)^2-4*1*(-285)=3844

x1=(-b+sqrt(D))/2a=(52+62)/2=57

x2=(-b-sqrt(D))/2a=(52-62)/2=-5