Question

Срочно.
4х^2 - х -3 = 0

Answer 1

a=4,b=-1c=-3
D=b2-4ac=(-1)2-4•4•(-3)=49,√49=7
X1=-b-√D2a=1-72•4=-68=-34
X2=-b+√D2a=1+72•4=88=1