Question

(ax-1)=(x-3) как решить

Answer 1

(ax-1)=(x-3)

ax-x=-3+1

a=2

Answer 2

(ax-1)=(x-3)

(ax-1)-(x-3)=0

ax^2-3ax+x-3=0

ax^2-2ax-3=0

D=-(2^2)-4*1*(-3)=4+12=16

X1=2-4\2=-3

X2= 2+4\2=3